Disease and outbreak signals in CH
Plain-English summaries with credibility tiers. Always verify details on the original source - not medical advice.
How to read this page
Signals reflect what publishers have posted, not every exposure in the country. Use the map for geography, open each alert for dates, and pair this page with your local health department for mandates and clinical guidance.
Related diseases
Regions
Recent signals
- Hantavirus Cruise Ship Outbreak 2026: What Travelers Should Know - Hantavirus - World Health Organization - event 2026-06-27
- Yellow fever - Global - Yellow fever - World Health Organization - event 2026-06-24
- Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda - Ebola - World Health Organization - event 2026-06-19
- Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda - Ebola - World Health Organization - event 2026-06-13
- Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda - Ebola - World Health Organization - event 2026-06-08
- Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda - Ebola - World Health Organization - event 2026-05-29
- Hantavirus outbreak linked to cruise ship travel, Multi-locations - Hantavirus - World Health Organization - event 2026-05-28
- Ebola disease caused by Bundibugyo virus - Democratic Republic of the Congo - Ebola - World Health Organization - event 2026-05-21
- Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda - Ebola - World Health Organization - event 2026-05-16
- Hantavirus cluster linked to cruise ship travel, Multi-country - Hantavirus - World Health Organization - event 2026-05-13
- Hantavirus cluster linked to cruise ship travel, Multi-country - Hantavirus - World Health Organization - event 2026-05-04
- International food safety event: Infant formula and products containing arachidonic acid oil contaminated with cereulide toxin - Multi-country - Public health notice - World Health Organization - event 2026-03-13
- Mpox: recombinant virus with genomic elements of clades Ib and IIb - Global situation - Mpox - World Health Organization - event 2026-02-14
- Marburg virus disease- Ethiopia - Marburg - World Health Organization - event 2026-01-26
- Middle East respiratory syndrome coronavirus - Global update - Public health notice - World Health Organization - event 2025-12-24
- Seasonal influenza - Global situation - Influenza - World Health Organization - event 2025-12-10
- Broader transmission of mpox due to clade Ib MPXV - Global situation - Mpox - World Health Organization - event 2025-12-05
- Ebola virus disease - Democratic Republic of the Congo - Ebola - World Health Organization - event 2025-12-01
- Diphtheria - African Region (AFRO) - Public health notice - World Health Organization - event 2025-11-21
- Marburg virus disease- Ethiopia - Marburg - World Health Organization - event 2025-11-21
- Rift Valley fever- Mauritania and Senegal - Public health notice - World Health Organization - event 2025-11-05
- Chikungunya virus disease- Global situation - Public health notice - World Health Organization - event 2025-10-03
- Ebola virus disease - Democratic Republic of the Congo - Ebola - World Health Organization - event 2025-09-05
- Cholera - Multi-country with a focus on countries experiencing current surges - Cholera - World Health Organization - event 2025-08-29
- Circulating vaccine-derived poliovirus type 1- Israel - Polio - World Health Organization - event 2025-08-20
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Latest reports
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- Hantavirus vs. Norovirus on Cruise Ships: Key Differences
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