{
 "meta": {
  "name": "Contagious-period rules from six national health authorities",
  "publisher": "Mobi Doctor (Mobidoctor Ltd, Malta)",
  "url": "https://www.mobidoctor.eu/am-i-still-contagious/",
  "license": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/",
  "version": "2026-09-30",
  "published": "2026-09-24",
  "figures_checked_against_sources": "2026-09-22",
  "day_convention": "Day 0 = first day of symptoms. Negative = before symptoms.",
  "medical_review": "pending",
  "note": "Where an authority publishes no figure the field is null; nothing is borrowed from another country."
 },
 "rows": [
  {
   "illness": "flu",
   "condition": "Influenza",
   "guidance_set": "int",
   "guidance_label": "UK & USA (NHS / CDC)",
   "incubation_days": "1-4",
   "contagious_from_day": -1,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 7,
   "until_is_range": true,
   "until_untreated_only": false,
   "peak_from_day": 0,
   "peak_to_day": 2,
   "return_rule_type": "symptomImprove",
   "return_rule_params": {},
   "return_rule_text_en": "Stay at home while you have a high temperature or do not feel well enough for your normal day. Go back when that has passed.",
   "children_note_en": "Young children can stay contagious for longer.",
   "immunocompromised_note_en": "People with a weakened immune system can stay contagious for longer.",
   "sources": {
    "incubation": [
     {
      "id": "cdc-flu-spread",
      "authority": "CDC",
      "title": "How Flu Spreads",
      "url": "https://www.cdc.gov/flu/spread/index.html",
      "source_dated": "2024-09-17"
     }
    ],
    "from": [
     {
      "id": "cdc-flu-spread",
      "authority": "CDC",
      "title": "How Flu Spreads",
      "url": "https://www.cdc.gov/flu/spread/index.html",
      "source_dated": "2024-09-17"
     }
    ],
    "to": [
     {
      "id": "cdc-flu-spread",
      "authority": "CDC",
      "title": "How Flu Spreads",
      "url": "https://www.cdc.gov/flu/spread/index.html",
      "source_dated": "2024-09-17"
     }
    ],
    "peak": [
     {
      "id": "cdc-flu-spread",
      "authority": "CDC",
      "title": "How Flu Spreads",
      "url": "https://www.cdc.gov/flu/spread/index.html",
      "source_dated": "2024-09-17"
     }
    ],
    "return": [
     {
      "id": "nhs-flu",
      "authority": "NHS",
      "title": "Flu",
      "url": "https://www.nhs.uk/conditions/flu/",
      "source_dated": "2026-02-03"
     }
    ],
    "children": [
     {
      "id": "cdc-flu-spread",
      "authority": "CDC",
      "title": "How Flu Spreads",
      "url": "https://www.cdc.gov/flu/spread/index.html",
      "source_dated": "2024-09-17"
     }
    ],
    "immuno": [
     {
      "id": "cdc-flu-spread",
      "authority": "CDC",
      "title": "How Flu Spreads",
      "url": "https://www.cdc.gov/flu/spread/index.html",
      "source_dated": "2024-09-17"
     }
    ]
   }
  },
  {
   "illness": "flu",
   "condition": "Influenza",
   "guidance_set": "de",
   "guidance_label": "Germany (RKI)",
   "incubation_days": "1-3",
   "contagious_from_day": -1,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 7,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterOnsetRange",
   "return_rule_params": {
    "min": 3,
    "max": 5,
    "alsoImprove": true
   },
   "return_rule_text_en": "Stay at home for 3 to 5 days, and until your symptoms have clearly improved.",
   "children_note_en": "Young children can stay contagious for longer.",
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "rki-influenza",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Influenza (saisonal)",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Influenza_saisonal.html",
      "source_dated": "2026-01-14"
     }
    ],
    "from": [
     {
      "id": "bzga-grippe",
      "authority": "BZgA infektionsschutz.de",
      "title": "Erregersteckbrief Grippe (Influenza)",
      "url": "https://www.infektionsschutz.de/erregersteckbriefe/grippe-influenza/",
      "source_dated": "2018-04-23"
     }
    ],
    "to": [
     {
      "id": "rki-influenza",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Influenza (saisonal)",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Influenza_saisonal.html",
      "source_dated": "2026-01-14"
     },
     {
      "id": "bzga-grippe",
      "authority": "BZgA infektionsschutz.de",
      "title": "Erregersteckbrief Grippe (Influenza)",
      "url": "https://www.infektionsschutz.de/erregersteckbriefe/grippe-influenza/",
      "source_dated": "2018-04-23"
     }
    ],
    "return": [
     {
      "id": "bzga-atemwege",
      "authority": "BZgA infektionsschutz.de",
      "title": "Atemwegsinfektionen",
      "url": "https://www.infektionsschutz.de/infektionen/krankheitsbilder/atemwegsinfektionen/",
      "source_dated": "2025-03-17"
     }
    ],
    "children": [
     {
      "id": "rki-influenza",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Influenza (saisonal)",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Influenza_saisonal.html",
      "source_dated": "2026-01-14"
     }
    ]
   }
  },
  {
   "illness": "flu",
   "condition": "Influenza",
   "guidance_set": "fr",
   "guidance_label": "France (Assurance Maladie)",
   "incubation_days": "1-4",
   "contagious_from_day": null,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 5,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by France (Assurance Maladie) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": "Children can stay contagious until about day 7.",
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "ameli-grippe",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Reconnaitre la grippe",
      "url": "https://www.ameli.fr/assure/sante/themes/grippe/reconnaitre-grippe",
      "source_dated": "2025-10-07"
     },
     {
      "id": "pasteur-grippe",
      "authority": "Institut Pasteur",
      "title": "Grippe",
      "url": "https://www.pasteur.fr/fr/centre-medical/fiches-maladies/grippe",
      "source_dated": "2026-01-15"
     }
    ],
    "to": [
     {
      "id": "ameli-grippe",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Reconnaitre la grippe",
      "url": "https://www.ameli.fr/assure/sante/themes/grippe/reconnaitre-grippe",
      "source_dated": "2025-10-07"
     }
    ],
    "return": [
     {
      "id": "ameli-grippe",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Reconnaitre la grippe",
      "url": "https://www.ameli.fr/assure/sante/themes/grippe/reconnaitre-grippe",
      "source_dated": "2025-10-07"
     }
    ],
    "children": [
     {
      "id": "ameli-grippe",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Reconnaitre la grippe",
      "url": "https://www.ameli.fr/assure/sante/themes/grippe/reconnaitre-grippe",
      "source_dated": "2025-10-07"
     }
    ]
   }
  },
  {
   "illness": "flu",
   "condition": "Influenza",
   "guidance_set": "es",
   "guidance_label": "Spain (Sanidad / Canal Salut)",
   "incubation_days": "1-4",
   "contagious_from_day": -1,
   "contagious_until_day_typical": 3,
   "contagious_until_day_outer": 7,
   "until_is_range": true,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by Spain (Sanidad / Canal Salut) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": "Young children can stay contagious for longer.",
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "sanidad-gripe-prof",
      "authority": "Ministerio de Sanidad",
      "title": "Gripe (enfermedades prevenibles, profesionales)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/gripe.htm",
      "source_dated": "2026-09-22"
     },
     {
      "id": "sanidad-gripe-faq",
      "authority": "Ministerio de Sanidad",
      "title": "Preguntas y respuestas sobre la vacunación frente a la gripe. Información para la ciudadanía (octubre 2021)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/programasDeVacunacion/gripe/faq/docs/Preguntas_respuestas_gripe_ciudadanos_2021-2022.pdf",
      "source_dated": "2021-10"
     }
    ],
    "from": [
     {
      "id": "sanidad-gripe-prof",
      "authority": "Ministerio de Sanidad",
      "title": "Gripe (enfermedades prevenibles, profesionales)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/gripe.htm",
      "source_dated": "2026-09-22"
     },
     {
      "id": "sanidad-gripe-faq",
      "authority": "Ministerio de Sanidad",
      "title": "Preguntas y respuestas sobre la vacunación frente a la gripe. Información para la ciudadanía (octubre 2021)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/programasDeVacunacion/gripe/faq/docs/Preguntas_respuestas_gripe_ciudadanos_2021-2022.pdf",
      "source_dated": "2021-10"
     }
    ],
    "to": [
     {
      "id": "sanidad-gripe-prof",
      "authority": "Ministerio de Sanidad",
      "title": "Gripe (enfermedades prevenibles, profesionales)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/gripe.htm",
      "source_dated": "2026-09-22"
     },
     {
      "id": "sanidad-gripe-faq",
      "authority": "Ministerio de Sanidad",
      "title": "Preguntas y respuestas sobre la vacunación frente a la gripe. Información para la ciudadanía (octubre 2021)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/programasDeVacunacion/gripe/faq/docs/Preguntas_respuestas_gripe_ciudadanos_2021-2022.pdf",
      "source_dated": "2021-10"
     }
    ],
    "return": [
     {
      "id": "madrid-gripe",
      "authority": "Comunidad de Madrid",
      "title": "Gripe",
      "url": "https://www.comunidad.madrid/servicios/salud/gripe",
      "source_dated": "2026-09-21"
     }
    ],
    "children": [
     {
      "id": "sanidad-gripe-prof",
      "authority": "Ministerio de Sanidad",
      "title": "Gripe (enfermedades prevenibles, profesionales)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/gripe.htm",
      "source_dated": "2026-09-22"
     },
     {
      "id": "madrid-gripe",
      "authority": "Comunidad de Madrid",
      "title": "Gripe",
      "url": "https://www.comunidad.madrid/servicios/salud/gripe",
      "source_dated": "2026-09-21"
     }
    ]
   }
  },
  {
   "illness": "flu",
   "condition": "Influenza",
   "guidance_set": "it",
   "guidance_label": "Italy (ISS)",
   "incubation_days": "1-2",
   "contagious_from_day": -2,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 10,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "untilRecovery",
   "return_rule_params": {
    "approxDays": 7
   },
   "return_rule_text_en": "Stay away from work or school until you have recovered, which usually takes about 7 days.",
   "children_note_en": "Young children can stay contagious for longer.",
   "immunocompromised_note_en": "People with a weakened immune system can stay contagious for longer.",
   "sources": {
    "incubation": [
     {
      "id": "iss-influenza",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Influenza",
      "url": "https://www.epicentro.iss.it/influenza/influenza",
      "source_dated": "2025-10-31"
     }
    ],
    "from": [
     {
      "id": "iss-influenza",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Influenza",
      "url": "https://www.epicentro.iss.it/influenza/influenza",
      "source_dated": "2025-10-31"
     }
    ],
    "to": [
     {
      "id": "iss-influenza",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Influenza",
      "url": "https://www.epicentro.iss.it/influenza/influenza",
      "source_dated": "2025-10-31"
     }
    ],
    "return": [
     {
      "id": "iss-influenza",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Influenza",
      "url": "https://www.epicentro.iss.it/influenza/influenza",
      "source_dated": "2025-10-31"
     }
    ],
    "children": [
     {
      "id": "iss-influenza",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Influenza",
      "url": "https://www.epicentro.iss.it/influenza/influenza",
      "source_dated": "2025-10-31"
     }
    ],
    "immuno": [
     {
      "id": "iss-influenza",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Influenza",
      "url": "https://www.epicentro.iss.it/influenza/influenza",
      "source_dated": "2025-10-31"
     }
    ]
   }
  },
  {
   "illness": "flu",
   "condition": "Influenza",
   "guidance_set": "nl",
   "guidance_label": "Netherlands (RIVM)",
   "incubation_days": "1-4",
   "contagious_from_day": -1,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 7,
   "until_is_range": true,
   "until_untreated_only": false,
   "peak_from_day": 1,
   "peak_to_day": 3,
   "return_rule_type": "noFormalExclusion",
   "return_rule_params": {
    "riskDropsDay": 5
   },
   "return_rule_text_en": "There is no formal exclusion period. Go back when you have recovered; the risk to the people around you drops sharply 5 days after symptoms started.",
   "children_note_en": "Children can stay contagious until about day 14.",
   "immunocompromised_note_en": "This can run to weeks, and in some cases months.",
   "sources": {
    "incubation": [
     {
      "id": "rivm-influenza",
      "authority": "RIVM",
      "title": "Influenza",
      "url": "https://lci.rivm.nl/richtlijnen/influenza",
      "source_dated": "2025-03-18"
     }
    ],
    "from": [
     {
      "id": "rivm-influenza",
      "authority": "RIVM",
      "title": "Influenza",
      "url": "https://lci.rivm.nl/richtlijnen/influenza",
      "source_dated": "2025-03-18"
     }
    ],
    "to": [
     {
      "id": "rivm-influenza",
      "authority": "RIVM",
      "title": "Influenza",
      "url": "https://lci.rivm.nl/richtlijnen/influenza",
      "source_dated": "2025-03-18"
     }
    ],
    "peak": [
     {
      "id": "rivm-influenza",
      "authority": "RIVM",
      "title": "Influenza",
      "url": "https://lci.rivm.nl/richtlijnen/influenza",
      "source_dated": "2025-03-18"
     }
    ],
    "return": [
     {
      "id": "rivm-influenza",
      "authority": "RIVM",
      "title": "Influenza",
      "url": "https://lci.rivm.nl/richtlijnen/influenza",
      "source_dated": "2025-03-18"
     }
    ],
    "children": [
     {
      "id": "thuisarts-griep",
      "authority": "Thuisarts.nl",
      "title": "Ik heb griep",
      "url": "https://www.thuisarts.nl/griep/ik-heb-griep",
      "source_dated": "2026-08-10"
     }
    ],
    "immuno": [
     {
      "id": "rivm-influenza",
      "authority": "RIVM",
      "title": "Influenza",
      "url": "https://lci.rivm.nl/richtlijnen/influenza",
      "source_dated": "2025-03-18"
     }
    ]
   }
  },
  {
   "illness": "covid",
   "condition": "COVID-19",
   "guidance_set": "int",
   "guidance_label": "UK & USA (NHS / CDC)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 10,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterTest",
   "return_rule_params": {
    "adult": 5,
    "child": 3,
    "vulnerableContact": 10
   },
   "return_rule_text_en": "If you tested positive: stay at home and away from others for 5 days after the day you tested (3 days for under-18s). Avoid anyone who could get seriously ill for 10 days.",
   "children_note_en": "Children and young people tend to be infectious for less time than adults.",
   "immunocompromised_note_en": null,
   "sources": {
    "to": [
     {
      "id": "ukhsa-resp-symptoms",
      "authority": "UKHSA (gov.uk)",
      "title": "People with symptoms of a respiratory infection including COVID-19",
      "url": "https://www.gov.uk/guidance/people-with-symptoms-of-a-respiratory-infection-including-covid-19",
      "source_dated": "2022-06-10"
     }
    ],
    "return": [
     {
      "id": "nhs-covid",
      "authority": "NHS",
      "title": "COVID-19 symptoms and what to do",
      "url": "https://www.nhs.uk/conditions/covid-19/covid-19-symptoms-and-what-to-do/",
      "source_dated": "2023-03-21"
     }
    ],
    "children": [
     {
      "id": "nhs-covid",
      "authority": "NHS",
      "title": "COVID-19 symptoms and what to do",
      "url": "https://www.nhs.uk/conditions/covid-19/covid-19-symptoms-and-what-to-do/",
      "source_dated": "2023-03-21"
     }
    ]
   }
  },
  {
   "illness": "covid",
   "condition": "COVID-19",
   "guidance_set": "de",
   "guidance_label": "Germany (RKI)",
   "incubation_days": "1-8",
   "contagious_from_day": null,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 5,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": -3,
   "peak_to_day": 5,
   "return_rule_type": "daysAfterOnsetRange",
   "return_rule_params": {
    "min": 3,
    "max": 5,
    "alsoImprove": true
   },
   "return_rule_text_en": "Stay at home for 3 to 5 days, and until your symptoms have clearly improved.",
   "children_note_en": null,
   "immunocompromised_note_en": "People with a weakened immune system can stay contagious for longer.",
   "sources": {
    "incubation": [
     {
      "id": "rki-covid",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber COVID-19",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_COVID-19.html",
      "source_dated": "2026-08-24"
     }
    ],
    "to": [
     {
      "id": "rki-covid",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber COVID-19",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_COVID-19.html",
      "source_dated": "2026-08-24"
     }
    ],
    "peak": [
     {
      "id": "rki-covid",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber COVID-19",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_COVID-19.html",
      "source_dated": "2026-08-24"
     }
    ],
    "return": [
     {
      "id": "bzga-atemwege",
      "authority": "BZgA infektionsschutz.de",
      "title": "Atemwegsinfektionen",
      "url": "https://www.infektionsschutz.de/infektionen/krankheitsbilder/atemwegsinfektionen/",
      "source_dated": "2025-03-17"
     }
    ],
    "immuno": [
     {
      "id": "rki-covid",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber COVID-19",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_COVID-19.html",
      "source_dated": "2026-08-24"
     }
    ]
   }
  },
  {
   "illness": "covid",
   "condition": "COVID-19",
   "guidance_set": "fr",
   "guidance_label": "France (Assurance Maladie)",
   "incubation_days": "5-5",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "noIsolationRequired",
   "return_rule_params": {},
   "return_rule_text_en": "Isolation is no longer required. Avoid contact with anyone who could get seriously ill, and keep up hand hygiene and ventilation.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "ameli-covid-reconnaitre",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Covid-19 : reconnaître la maladie et ses symptômes, adopter les bons gestes",
      "url": "https://www.ameli.fr/assure/sante/themes/covid-19/symptomes-gestes-barrieres-et-recommandations/covid-19-reconnaitre-la-maladie-et-ses-symptomes-adopter-les-bons-gestes",
      "source_dated": "2025-10-22"
     }
    ],
    "return": [
     {
      "id": "ameli-covid",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Isolement : duree, precautions, regles d'hygiene",
      "url": "https://www.ameli.fr/assure/covid-19/symptomes-gestes-barrieres-cas-contact-et-isolement/isolement-duree-precautions-regles-d-hygiene",
      "source_dated": "2025-11-10"
     }
    ]
   }
  },
  {
   "illness": "covid",
   "condition": "COVID-19",
   "guidance_set": "es",
   "guidance_label": "Spain (Sanidad / Canal Salut)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by Spain (Sanidad / Canal Salut) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "sanidad-ira",
      "authority": "Ministerio de Sanidad",
      "title": "Recomendaciones frente a infecciones respiratorias agudas",
      "url": "https://www.sanidad.gob.es/gabinete/notasPrensa.do?id=6806",
      "source_dated": "2025-12-03"
     }
    ]
   }
  },
  {
   "illness": "covid",
   "condition": "COVID-19",
   "guidance_set": "it",
   "guidance_label": "Italy (ISS)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "noIsolationRequired",
   "return_rule_params": {},
   "return_rule_text_en": "Isolation is no longer required. Avoid contact with anyone who could get seriously ill, and keep up hand hygiene and ventilation. Stay home while you have symptoms. Wear a mask around others, avoid anyone frail, immunosuppressed or pregnant, and do not visit or work in a hospital or care home.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "it-circolare-2023",
      "authority": "Ministero della Salute (Circolare 11 agosto 2023), as published by Azienda USL Umbria 2",
      "title": "Covid-19, cade l'obbligo di isolamento per i positivi",
      "url": "https://www.uslumbria2.it/notizie/covid-19-cade-lobbligo-di-isolamento-per-i-positivi-lo-prevede-la-nuova-circolare-del-ministero-della-salute",
      "source_dated": "2023-08-26"
     }
    ]
   }
  },
  {
   "illness": "covid",
   "condition": "COVID-19",
   "guidance_set": "nl",
   "guidance_label": "Netherlands (RIVM)",
   "incubation_days": "1-14",
   "contagious_from_day": -5,
   "contagious_until_day_typical": 5,
   "contagious_until_day_outer": 7,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": -2,
   "peak_to_day": 3,
   "return_rule_type": "onIndicationOnly",
   "return_rule_params": {},
   "return_rule_text_en": "There is no general isolation period; measures are advised only in specific situations.",
   "children_note_en": null,
   "immunocompromised_note_en": "People with a weakened immune system can stay contagious for longer.",
   "sources": {
    "incubation": [
     {
      "id": "rivm-covid",
      "authority": "RIVM",
      "title": "COVID-19",
      "url": "https://lci.rivm.nl/richtlijnen/covid-19",
      "source_dated": "2025-03-18"
     }
    ],
    "from": [
     {
      "id": "rivm-covid",
      "authority": "RIVM",
      "title": "COVID-19",
      "url": "https://lci.rivm.nl/richtlijnen/covid-19",
      "source_dated": "2025-03-18"
     }
    ],
    "to": [
     {
      "id": "rivm-covid",
      "authority": "RIVM",
      "title": "COVID-19",
      "url": "https://lci.rivm.nl/richtlijnen/covid-19",
      "source_dated": "2025-03-18"
     }
    ],
    "peak": [
     {
      "id": "rivm-covid",
      "authority": "RIVM",
      "title": "COVID-19",
      "url": "https://lci.rivm.nl/richtlijnen/covid-19",
      "source_dated": "2025-03-18"
     }
    ],
    "return": [
     {
      "id": "rivm-covid",
      "authority": "RIVM",
      "title": "COVID-19",
      "url": "https://lci.rivm.nl/richtlijnen/covid-19",
      "source_dated": "2025-03-18"
     }
    ],
    "immuno": [
     {
      "id": "rivm-covid",
      "authority": "RIVM",
      "title": "COVID-19",
      "url": "https://lci.rivm.nl/richtlijnen/covid-19",
      "source_dated": "2025-03-18"
     }
    ]
   }
  },
  {
   "illness": "rsv",
   "condition": "Respiratory syncytial virus infection",
   "guidance_set": "int",
   "guidance_label": "UK & USA (NHS / CDC)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "symptomDurationOnly",
   "return_rule_params": {
    "min": 7,
    "max": 14
   },
   "return_rule_text_en": "No exclusion period is published. Symptoms usually last 7 to 14 days.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "nhs-rsv",
      "authority": "NHS",
      "title": "Respiratory syncytial virus (RSV)",
      "url": "https://www.nhs.uk/conditions/respiratory-syncytial-virus-rsv/",
      "source_dated": "2024-07-05"
     }
    ]
   }
  },
  {
   "illness": "rsv",
   "condition": "Respiratory syncytial virus infection",
   "guidance_set": "de",
   "guidance_label": "Germany (RKI)",
   "incubation_days": "2-8",
   "contagious_from_day": null,
   "contagious_until_day_typical": 3,
   "contagious_until_day_outer": 8,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by Germany (RKI) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": "This can run to weeks, and in some cases months.",
   "immunocompromised_note_en": "This can run to weeks, and in some cases months.",
   "sources": {
    "incubation": [
     {
      "id": "rki-rsv",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber RSV",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_RSV.html",
      "source_dated": "2026-09-10"
     }
    ],
    "to": [
     {
      "id": "rki-rsv",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber RSV",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_RSV.html",
      "source_dated": "2026-09-10"
     }
    ],
    "return": [
     {
      "id": "rki-rsv",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber RSV",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_RSV.html",
      "source_dated": "2026-09-10"
     }
    ],
    "children": [
     {
      "id": "rki-rsv",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber RSV",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_RSV.html",
      "source_dated": "2026-09-10"
     }
    ],
    "immuno": [
     {
      "id": "rki-rsv",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber RSV",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_RSV.html",
      "source_dated": "2026-09-10"
     }
    ]
   }
  },
  {
   "illness": "rsv",
   "condition": "Respiratory syncytial virus infection",
   "guidance_set": "fr",
   "guidance_label": "France (Assurance Maladie)",
   "incubation_days": "2-7",
   "contagious_from_day": null,
   "contagious_until_day_typical": 3,
   "contagious_until_day_outer": 8,
   "until_is_range": true,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "noExclusion",
   "return_rule_params": {},
   "return_rule_text_en": "There is no requirement to stay away.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "hcsp-collectivites-2012",
      "authority": "Haut Conseil de la santé publique (HCSP)",
      "title": "Survenue de maladies infectieuses dans une collectivité. Conduites à tenir",
      "url": "https://www.hcsp.fr/explore.cgi/avisrapportsdomaine?clefr=306",
      "source_dated": "2012-09-28"
     }
    ],
    "to": [
     {
      "id": "hcsp-collectivites-2012",
      "authority": "Haut Conseil de la santé publique (HCSP)",
      "title": "Survenue de maladies infectieuses dans une collectivité. Conduites à tenir",
      "url": "https://www.hcsp.fr/explore.cgi/avisrapportsdomaine?clefr=306",
      "source_dated": "2012-09-28"
     }
    ],
    "return": [
     {
      "id": "hcsp-collectivites-2012",
      "authority": "Haut Conseil de la santé publique (HCSP)",
      "title": "Survenue de maladies infectieuses dans une collectivité. Conduites à tenir",
      "url": "https://www.hcsp.fr/explore.cgi/avisrapportsdomaine?clefr=306",
      "source_dated": "2012-09-28"
     }
    ]
   }
  },
  {
   "illness": "rsv",
   "condition": "Respiratory syncytial virus infection",
   "guidance_set": "es",
   "guidance_label": "Spain (Sanidad / Canal Salut)",
   "incubation_days": "2-8",
   "contagious_from_day": null,
   "contagious_until_day_typical": 3,
   "contagious_until_day_outer": 8,
   "until_is_range": true,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "symptomDurationOnly",
   "return_rule_params": {
    "min": 7,
    "max": 10
   },
   "return_rule_text_en": "No exclusion period is published. Symptoms usually last 7 to 10 days. A cough can take up to three weeks to clear.",
   "children_note_en": "Babies and people with a weakened immune system can keep shedding the virus for up to 4 weeks.",
   "immunocompromised_note_en": "Babies and people with a weakened immune system can keep shedding the virus for up to 4 weeks.",
   "sources": {
    "incubation": [
     {
      "id": "sanidad-vrs",
      "authority": "Ministerio de Sanidad",
      "title": "VRS - Virus Respiratorio Sincitial (enfermedades prevenibles, profesionales sanitarios)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/vrs.htm",
      "source_dated": "2024-08"
     }
    ],
    "to": [
     {
      "id": "sanidad-vrs",
      "authority": "Ministerio de Sanidad",
      "title": "VRS - Virus Respiratorio Sincitial (enfermedades prevenibles, profesionales sanitarios)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/vrs.htm",
      "source_dated": "2024-08"
     }
    ],
    "return": [
     {
      "id": "canalsalut-bronquiolitis",
      "authority": "Canal Salut (Generalitat de Catalunya)",
      "title": "Bronquiolitis",
      "url": "https://canalsalut.gencat.cat/ca/salut-a-z/b/bronquiolitis/index.html",
      "source_dated": "2021-01-15"
     }
    ],
    "children": [
     {
      "id": "sanidad-vrs",
      "authority": "Ministerio de Sanidad",
      "title": "VRS - Virus Respiratorio Sincitial (enfermedades prevenibles, profesionales sanitarios)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/vrs.htm",
      "source_dated": "2024-08"
     }
    ],
    "immuno": [
     {
      "id": "sanidad-vrs",
      "authority": "Ministerio de Sanidad",
      "title": "VRS - Virus Respiratorio Sincitial (enfermedades prevenibles, profesionales sanitarios)",
      "url": "https://www.sanidad.gob.es/areas/promocionPrevencion/vacunaciones/enfermedades/profesionales/vrs.htm",
      "source_dated": "2024-08"
     }
    ]
   }
  },
  {
   "illness": "rsv",
   "condition": "Respiratory syncytial virus infection",
   "guidance_set": "it",
   "guidance_label": "Italy (ISS)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by Italy (ISS) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "iss-parainfluenzali",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Virus parainfluenzali e agenti del raffreddore",
      "url": "https://www.epicentro.iss.it/parainfluenzali/agenti",
      "source_dated": "2026-09-21"
     }
    ]
   }
  },
  {
   "illness": "rsv",
   "condition": "Respiratory syncytial virus infection",
   "guidance_set": "nl",
   "guidance_label": "Netherlands (RIVM)",
   "incubation_days": "2-8",
   "contagious_from_day": null,
   "contagious_until_day_typical": 10,
   "contagious_until_day_outer": 12,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "noExclusion",
   "return_rule_params": {},
   "return_rule_text_en": "There is no requirement to stay away. Keeping a child off school or nursery is not considered useful here: the virus circulates widely in winter and children are contagious before symptoms show.",
   "children_note_en": "Children can stay contagious until about day 28.",
   "immunocompromised_note_en": "After a transplant, shedding has been measured at about 80 days on average, and much longer in some people.",
   "sources": {
    "incubation": [
     {
      "id": "rivm-rsv",
      "authority": "RIVM",
      "title": "RSV-infectie",
      "url": "https://lci.rivm.nl/richtlijnen/rsv-infectie",
      "source_dated": "2025-11-25"
     }
    ],
    "to": [
     {
      "id": "rivm-rsv",
      "authority": "RIVM",
      "title": "RSV-infectie",
      "url": "https://lci.rivm.nl/richtlijnen/rsv-infectie",
      "source_dated": "2025-11-25"
     }
    ],
    "return": [
     {
      "id": "rivm-rsv",
      "authority": "RIVM",
      "title": "RSV-infectie",
      "url": "https://lci.rivm.nl/richtlijnen/rsv-infectie",
      "source_dated": "2025-11-25"
     }
    ],
    "children": [
     {
      "id": "rivm-rsv",
      "authority": "RIVM",
      "title": "RSV-infectie",
      "url": "https://lci.rivm.nl/richtlijnen/rsv-infectie",
      "source_dated": "2025-11-25"
     }
    ],
    "immuno": [
     {
      "id": "rivm-rsv",
      "authority": "RIVM",
      "title": "RSV-infectie",
      "url": "https://lci.rivm.nl/richtlijnen/rsv-infectie",
      "source_dated": "2025-11-25"
     }
    ]
   }
  },
  {
   "illness": "norovirus",
   "condition": "Norovirus infection",
   "guidance_set": "int",
   "guidance_label": "UK & USA (NHS / CDC)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterSymptomsStop",
   "return_rule_params": {
    "days": 2,
    "scope": "all"
   },
   "return_rule_text_en": "Do not go to work, school or nursery, and do not visit anyone in hospital or a care home, until you have gone 2 full days with no vomiting and no diarrhoea.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "nhs-noro",
      "authority": "NHS",
      "title": "Norovirus (vomiting bug)",
      "url": "https://www.nhs.uk/conditions/norovirus/",
      "source_dated": "2024-12-31"
     }
    ]
   }
  },
  {
   "illness": "norovirus",
   "condition": "Norovirus infection",
   "guidance_set": "de",
   "guidance_label": "Germany (RKI)",
   "incubation_days": "6-50 h",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterSymptomsStop",
   "return_rule_params": {
    "days": 2,
    "scope": "all"
   },
   "return_rule_text_en": "Do not go to work, school or nursery, and do not visit anyone in hospital or a care home, until you have gone 2 full days with no vomiting and no diarrhoea. The virus is usually still present in stool for another 7 to 14 days, so hand washing with soap stays important.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "rki-noro",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Noroviren",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Noroviren.html",
      "source_dated": "2019-11-29"
     }
    ],
    "return": [
     {
      "id": "rki-noro",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Noroviren",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Noroviren.html",
      "source_dated": "2019-11-29"
     }
    ]
   }
  },
  {
   "illness": "norovirus",
   "condition": "Norovirus infection",
   "guidance_set": "fr",
   "guidance_label": "France (Assurance Maladie)",
   "incubation_days": "24-72 h",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by France (Assurance Maladie) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "ameli-gastro",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Reconnaitre la gastro-enterite",
      "url": "https://www.ameli.fr/assure/sante/themes/gastro-enterite-adulte/reconnaitre-gastro-enterite",
      "source_dated": "2025-01-03"
     }
    ],
    "return": [
     {
      "id": "ameli-gastro",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Reconnaitre la gastro-enterite",
      "url": "https://www.ameli.fr/assure/sante/themes/gastro-enterite-adulte/reconnaitre-gastro-enterite",
      "source_dated": "2025-01-03"
     }
    ]
   }
  },
  {
   "illness": "norovirus",
   "condition": "Norovirus infection",
   "guidance_set": "es",
   "guidance_label": "Spain (Sanidad / Canal Salut)",
   "incubation_days": "12-48 h",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterSymptomsStop",
   "return_rule_params": {
    "days": 2,
    "scope": "all"
   },
   "return_rule_text_en": "Do not go to work, school or nursery, and do not visit anyone in hospital or a care home, until you have gone 2 full days with no vomiting and no diarrhoea. This applies to everyone, and matters most if you handle food.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "canalsalut-norovirus",
      "authority": "Canal Salut (Generalitat de Catalunya)",
      "title": "Norovirus",
      "url": "https://canalsalut.gencat.cat/ca/salut-a-z/n/norovirus/",
      "source_dated": "2025-10-28"
     }
    ],
    "return": [
     {
      "id": "canalsalut-norovirus",
      "authority": "Canal Salut (Generalitat de Catalunya)",
      "title": "Norovirus",
      "url": "https://canalsalut.gencat.cat/ca/salut-a-z/n/norovirus/",
      "source_dated": "2025-10-28"
     }
    ]
   }
  },
  {
   "illness": "norovirus",
   "condition": "Norovirus infection",
   "guidance_set": "it",
   "guidance_label": "Italy (ISS)",
   "incubation_days": "12-48 h",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterSymptomsStop",
   "return_rule_params": {
    "days": 3,
    "scope": "food"
   },
   "return_rule_text_en": "If you handle food, stay away from that work until 3 days after you recovered. The virus stays in stool for at least 72 hours after you feel better.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "iss-norovirus",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Norovirus",
      "url": "https://www.epicentro.iss.it/norovirus/",
      "source_dated": "2018-02-15"
     }
    ],
    "return": [
     {
      "id": "iss-norovirus",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Norovirus",
      "url": "https://www.epicentro.iss.it/norovirus/",
      "source_dated": "2018-02-15"
     }
    ]
   }
  },
  {
   "illness": "norovirus",
   "condition": "Norovirus infection",
   "guidance_set": "nl",
   "guidance_label": "Netherlands (RIVM)",
   "incubation_days": "8-60 h",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterSymptomsStop",
   "return_rule_params": {
    "days": 1,
    "scope": "foodcare"
   },
   "return_rule_text_en": "If you handle food or work in healthcare, do not work until 1 full day has passed with no symptoms, and keep up strict hand hygiene. During an outbreak, keeping children off school is not considered justified, because transmission has usually already happened.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "rivm-noro",
      "authority": "RIVM",
      "title": "Norovirus",
      "url": "https://lci.rivm.nl/richtlijnen/norovirus",
      "source_dated": "2026-01-08"
     }
    ],
    "return": [
     {
      "id": "rivm-noro",
      "authority": "RIVM",
      "title": "Norovirus",
      "url": "https://lci.rivm.nl/richtlijnen/norovirus",
      "source_dated": "2026-01-08"
     }
    ]
   }
  },
  {
   "illness": "strep",
   "condition": "Strep throat, Scarlet fever",
   "guidance_set": "int",
   "guidance_label": "UK & USA (NHS / CDC)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": 14,
   "contagious_until_day_outer": 21,
   "until_is_range": false,
   "until_untreated_only": true,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "hoursAfterAntibiotics",
   "return_rule_params": {
    "hours": 24
   },
   "return_rule_text_en": "You can stop passing this on 24 hours after your first dose of antibiotics. Stay away from nursery, school or work until then.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "to": [
     {
      "id": "nhs-scarlet",
      "authority": "NHS",
      "title": "Scarlet fever",
      "url": "https://www.nhs.uk/conditions/scarlet-fever/",
      "source_dated": "2024-12-23"
     }
    ],
    "return": [
     {
      "id": "nhs-scarlet",
      "authority": "NHS",
      "title": "Scarlet fever",
      "url": "https://www.nhs.uk/conditions/scarlet-fever/",
      "source_dated": "2024-12-23"
     }
    ]
   }
  },
  {
   "illness": "strep",
   "condition": "Strep throat, Scarlet fever",
   "guidance_set": "de",
   "guidance_label": "Germany (RKI)",
   "incubation_days": "1-3",
   "contagious_from_day": null,
   "contagious_until_day_typical": 21,
   "contagious_until_day_outer": 21,
   "until_is_range": false,
   "until_untreated_only": true,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "hoursAfterAntibiotics",
   "return_rule_params": {
    "hours": 24,
    "alsoImprove": true
   },
   "return_rule_text_en": "You can go back 24 hours after your first dose of antibiotics, once your symptoms have also improved for a day.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "rki-strep",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Streptococcus pyogenes",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Streptococcus_pyogenes.html",
      "source_dated": "2024-02-01"
     }
    ],
    "to": [
     {
      "id": "rki-strep",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Streptococcus pyogenes",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Streptococcus_pyogenes.html",
      "source_dated": "2024-02-01"
     }
    ],
    "return": [
     {
      "id": "rki-strep",
      "authority": "Robert Koch-Institut",
      "title": "RKI-Ratgeber Streptococcus pyogenes",
      "url": "https://www.rki.de/DE/Aktuelles/Publikationen/RKI-Ratgeber/Ratgeber/Ratgeber_Streptococcus_pyogenes.html",
      "source_dated": "2024-02-01"
     }
    ]
   }
  },
  {
   "illness": "strep",
   "condition": "Strep throat, Scarlet fever",
   "guidance_set": "fr",
   "guidance_label": "France (Assurance Maladie)",
   "incubation_days": "1-4",
   "contagious_from_day": null,
   "contagious_until_day_typical": 10,
   "contagious_until_day_outer": 21,
   "until_is_range": false,
   "until_untreated_only": true,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "hoursAfterAntibiotics",
   "return_rule_params": {
    "hours": 48
   },
   "return_rule_text_en": "You can stop passing this on 48 hours after your first dose of antibiotics. Stay away from nursery, school or work until then.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "ameli-scarlatine",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Scarlatine : definition, symptomes, transmission",
      "url": "https://www.ameli.fr/assure/sante/themes/scarlatine/definition-symptomes-modes-transmission",
      "source_dated": "2025-03-24"
     }
    ],
    "to": [
     {
      "id": "ameli-scarlatine",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Scarlatine : definition, symptomes, transmission",
      "url": "https://www.ameli.fr/assure/sante/themes/scarlatine/definition-symptomes-modes-transmission",
      "source_dated": "2025-03-24"
     }
    ],
    "return": [
     {
      "id": "ameli-scarlatine-prev",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Scarlatine : prevention",
      "url": "https://www.ameli.fr/assure/sante/themes/scarlatine/prevention",
      "source_dated": "2025-03-26"
     }
    ]
   }
  },
  {
   "illness": "strep",
   "condition": "Strep throat, Scarlet fever",
   "guidance_set": "es",
   "guidance_label": "Spain (Sanidad / Canal Salut)",
   "incubation_days": "3-5",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "hoursAfterAntibiotics",
   "return_rule_params": {
    "hours": 24,
    "alsoFeverGone": true
   },
   "return_rule_text_en": "You can go back 24 hours after your first dose of antibiotics, once your fever has gone.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "canalsalut-escarlatina",
      "authority": "Canal Salut (Generalitat de Catalunya)",
      "title": "Escarlatina",
      "url": "https://canalsalut.gencat.cat/ca/salut-a-z/e/escarlatina/",
      "source_dated": "2023-04-27"
     }
    ],
    "return": [
     {
      "id": "canalsalut-escarlatina",
      "authority": "Canal Salut (Generalitat de Catalunya)",
      "title": "Escarlatina",
      "url": "https://canalsalut.gencat.cat/ca/salut-a-z/e/escarlatina/",
      "source_dated": "2023-04-27"
     },
     {
      "id": "canalsalut-exclusio",
      "authority": "ASPCAT (Generalitat de Catalunya)",
      "title": "Exclusio escolar",
      "url": "https://salutpublica.gencat.cat/ca/detalls/Article/exclusio-escolar-00001",
      "source_dated": "2025-12-03"
     }
    ]
   }
  },
  {
   "illness": "strep",
   "condition": "Strep throat, Scarlet fever",
   "guidance_set": "it",
   "guidance_label": "Italy (ISS)",
   "incubation_days": "1-3",
   "contagious_from_day": null,
   "contagious_until_day_typical": 10,
   "contagious_until_day_outer": 21,
   "until_is_range": true,
   "until_untreated_only": true,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "hoursAfterAntibiotics",
   "return_rule_params": {
    "hours": 48
   },
   "return_rule_text_en": "You can stop passing this on 48 hours after your first dose of antibiotics. Stay away from nursery, school or work until then. This rule comes from a 1998 Ministry of Health circular. Your doctor or school may apply current clinical guidance instead.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "it-circolare-1998",
      "authority": "Ministero della Salute",
      "title": "Circolare n.4 del 13 marzo 1998",
      "url": "https://www.iss.it/documents/20126/1750056/meningite.pdf",
      "source_dated": "1998-03-13"
     }
    ],
    "to": [
     {
      "id": "it-circolare-1998",
      "authority": "Ministero della Salute",
      "title": "Circolare n.4 del 13 marzo 1998",
      "url": "https://www.iss.it/documents/20126/1750056/meningite.pdf",
      "source_dated": "1998-03-13"
     }
    ],
    "return": [
     {
      "id": "it-circolare-1998",
      "authority": "Ministero della Salute",
      "title": "Circolare n.4 del 13 marzo 1998",
      "url": "https://www.iss.it/documents/20126/1750056/meningite.pdf",
      "source_dated": "1998-03-13"
     }
    ]
   }
  },
  {
   "illness": "strep",
   "condition": "Strep throat, Scarlet fever",
   "guidance_set": "nl",
   "guidance_label": "Netherlands (RIVM)",
   "incubation_days": "2-5",
   "contagious_from_day": null,
   "contagious_until_day_typical": 14,
   "contagious_until_day_outer": 21,
   "until_is_range": false,
   "until_untreated_only": true,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "noExclusion",
   "return_rule_params": {
    "outbreakHours": 24
   },
   "return_rule_text_en": "There is no requirement to stay away. An ordinary case is allowed at school or work with normal hygiene. This differs from most other countries, which ask for 24 or 48 hours after antibiotics start. It does not apply if you work in perinatal care or food preparation, or during an outbreak, when 24 hours after starting treatment applies.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "rivm-gas",
      "authority": "RIVM",
      "title": "Groep A-streptokokkeninfectie",
      "url": "https://lci.rivm.nl/richtlijnen/groep-a-streptokokkeninfectie",
      "source_dated": "2026-07-03"
     }
    ],
    "to": [
     {
      "id": "rivm-gas",
      "authority": "RIVM",
      "title": "Groep A-streptokokkeninfectie",
      "url": "https://lci.rivm.nl/richtlijnen/groep-a-streptokokkeninfectie",
      "source_dated": "2026-07-03"
     }
    ],
    "return": [
     {
      "id": "rivm-gas",
      "authority": "RIVM",
      "title": "Groep A-streptokokkeninfectie",
      "url": "https://lci.rivm.nl/richtlijnen/groep-a-streptokokkeninfectie",
      "source_dated": "2026-07-03"
     },
     {
      "id": "thuisarts-roodvonk",
      "authority": "Thuisarts.nl",
      "title": "Mijn kind heeft roodvonk",
      "url": "https://www.thuisarts.nl/roodvonk/mijn-kind-heeft-roodvonk",
      "source_dated": "2026-07-27"
     }
    ]
   }
  },
  {
   "illness": "cold",
   "condition": "Common cold",
   "guidance_set": "int",
   "guidance_label": "UK & USA (NHS / CDC)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": 7,
   "contagious_until_day_outer": 14,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "symptomImprove",
   "return_rule_params": {},
   "return_rule_text_en": "Stay at home while you have a high temperature or do not feel well enough for your normal day. Go back when that has passed.",
   "children_note_en": "Young children can stay contagious for longer.",
   "immunocompromised_note_en": null,
   "sources": {
    "to": [
     {
      "id": "nhs-cold",
      "authority": "NHS",
      "title": "Common cold",
      "url": "https://www.nhs.uk/conditions/common-cold/",
      "source_dated": "2024-03-22"
     }
    ],
    "return": [
     {
      "id": "nhs-cold",
      "authority": "NHS",
      "title": "Common cold",
      "url": "https://www.nhs.uk/conditions/common-cold/",
      "source_dated": "2024-03-22"
     }
    ],
    "children": [
     {
      "id": "nhs-cold",
      "authority": "NHS",
      "title": "Common cold",
      "url": "https://www.nhs.uk/conditions/common-cold/",
      "source_dated": "2024-03-22"
     }
    ]
   }
  },
  {
   "illness": "cold",
   "condition": "Common cold",
   "guidance_set": "de",
   "guidance_label": "Germany (RKI)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "daysAfterOnsetRange",
   "return_rule_params": {
    "min": 3,
    "max": 5,
    "alsoImprove": true
   },
   "return_rule_text_en": "Stay at home for 3 to 5 days, and until your symptoms have clearly improved. A cough can take up to three weeks to clear.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "bzga-atemwege",
      "authority": "BZgA infektionsschutz.de",
      "title": "Atemwegsinfektionen",
      "url": "https://www.infektionsschutz.de/infektionen/krankheitsbilder/atemwegsinfektionen/",
      "source_dated": "2025-03-17"
     },
     {
      "id": "gesund-bund-cold",
      "authority": "gesund.bund.de (Bundesministerium für Gesundheit)",
      "title": "Erkaeltung",
      "url": "https://gesund.bund.de/en/erkaeltung",
      "source_dated": "2024-11-28"
     }
    ]
   }
  },
  {
   "illness": "cold",
   "condition": "Common cold",
   "guidance_set": "fr",
   "guidance_label": "France (Assurance Maladie)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "symptomDurationOnly",
   "return_rule_params": {
    "min": 5,
    "max": 20
   },
   "return_rule_text_en": "No exclusion period is published. Symptoms usually last 5 to 20 days.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "ameli-rhino",
      "authority": "Ameli (Assurance Maladie)",
      "title": "Rhinopharyngite : symptomes",
      "url": "https://www.ameli.fr/assure/sante/themes/rhinopharyngite-adulte/symptomes",
      "source_dated": "2024-12-20"
     }
    ]
   }
  },
  {
   "illness": "cold",
   "condition": "Common cold",
   "guidance_set": "es",
   "guidance_label": "Spain (Sanidad / Canal Salut)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "noExclusion",
   "return_rule_params": {},
   "return_rule_text_en": "There is no requirement to stay away. A mild respiratory infection generally does not require a child to stay home.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "canalsalut-exclusio",
      "authority": "ASPCAT (Generalitat de Catalunya)",
      "title": "Exclusio escolar",
      "url": "https://salutpublica.gencat.cat/ca/detalls/Article/exclusio-escolar-00001",
      "source_dated": "2025-12-03"
     }
    ]
   }
  },
  {
   "illness": "cold",
   "condition": "Common cold",
   "guidance_set": "it",
   "guidance_label": "Italy (ISS)",
   "incubation_days": "2-3",
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "symptomDurationOnly",
   "return_rule_params": {
    "min": 7,
    "max": 14
   },
   "return_rule_text_en": "No exclusion period is published. Symptoms usually last 7 to 14 days.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "incubation": [
     {
      "id": "iss-parainfluenzali",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Virus parainfluenzali e agenti del raffreddore",
      "url": "https://www.epicentro.iss.it/parainfluenzali/agenti",
      "source_dated": "2026-09-21"
     }
    ],
    "return": [
     {
      "id": "iss-parainfluenzali",
      "authority": "EpiCentro / Istituto Superiore di Sanità",
      "title": "Virus parainfluenzali e agenti del raffreddore",
      "url": "https://www.epicentro.iss.it/parainfluenzali/agenti",
      "source_dated": "2026-09-21"
     }
    ]
   }
  },
  {
   "illness": "cold",
   "condition": "Common cold",
   "guidance_set": "nl",
   "guidance_label": "Netherlands (RIVM)",
   "incubation_days": null,
   "contagious_from_day": null,
   "contagious_until_day_typical": null,
   "contagious_until_day_outer": null,
   "until_is_range": false,
   "until_untreated_only": false,
   "peak_from_day": null,
   "peak_to_day": null,
   "return_rule_type": "notStated",
   "return_rule_params": {},
   "return_rule_text_en": "No return-to-work or school rule is published by Netherlands (RIVM) for this illness. As a rule of thumb: stay at home while you have a fever or feel too unwell for your normal day.",
   "children_note_en": null,
   "immunocompromised_note_en": null,
   "sources": {
    "return": [
     {
      "id": "thuisarts-verkouden",
      "authority": "Thuisarts.nl",
      "title": "Ik ben verkouden",
      "url": "https://www.thuisarts.nl/verkouden/ik-ben-verkouden",
      "source_dated": "2026-02-20"
     }
    ]
   }
  }
 ]
}