Current disease alerts and outbreak signals
Browse active notices with credibility tiers. Use tabs to focus on official agency alerts, emerging corroboration, or watch-list items - then open any row for dates and the original link.
- Why Norovirus Spreads So Fast in Schools, Restaurants, and EventsOFFICIAL
Norovirus - foodborne
United States (official reference pages)
CDC describes norovirus as highly contagious with a low infectious dose - settings with close contact and shared surfaces amplify spread. Open the linked publisher sources for authoritative wording. Not medical advice.
- Source
- U.S. CDC
- Reported / event date
- 2026-06-27
- Detected in OutbreakThreat
- 2026-06-27
- 2026 Norovirus Oyster Outbreak: What the FDA and Washington State ReportedOFFICIAL
Norovirus - foodborne
British Columbia, Canada
FDA advised restaurants and retailers not to serve certain oysters; Washington State DOH published a 2026 outbreak page linked to British Columbia harvest areas. Open the linked publisher sources for authoritative wording. Not medical advice.
- Source
- U.S. FDA
- Reported / event date
- 2026-06-27
- Detected in OutbreakThreat
- 2026-06-27
- Why Norovirus Outbreaks Can Move Quickly Through Schools, Restaurants, and EventsOFFICIAL
Norovirus - foodborne
European region (official reference pages)
Norovirus causes acute gastroenteritis and spreads easily where people gather. Health departments post outbreak notices for schools, cruises, and food venues; understanding the pattern helps communities focus on hygiene guidance rather than rumor. Open the linked publisher sources for authoritative wording. Not medical advice.
- Source
- U.S. CDC
- Reported / event date
- 2026-05-11
- Detected in OutbreakThreat
- 2026-06-27