This digest highlights the latest events and signals submitted to the BEACON platform—a global system for tracking and analyzing emerging biological threats. Stay informed with real-time updates from around the world, curated to help you monitor developments affecting human, animal, and environmental health.

Cholera, Nigeria

Tue May 26th 2026      2 reports (1 new)

- Cholera outbreak in Borno State, Nigeria, with 2715 suspected cases and 27 deaths in May 2026

Hantavirus, USA

Tue May 26th 2026      11 reports (1 new)

- Second hantavirus case reported in Colorado, USA, unrelated to MV Hondius cruise ship outbreak

Norovirus, USA

Tue May 26th 2026      2 reports (1 new)

- Request for information (RFI): Norovirus outbreak among Pacific Crest Trail hikers in California, USA. RFI on case numbers and source

Salmonellosis, Belgium

Tue May 26th 2026      1 report (1 new)

- Salmonella Enteritidis outbreak linked to eggs in Belgium, with 236 cases; recalls extended to France, Luxembourg, and the Netherlands

Bundibugyo virus disease, Democratic Republic of the Congo and Uganda

Tue May 26th 2026      13 reports (1 new)

- 26 May 2026 – Bundibugyo virus disease outbreak: Misinformation and conflict complicate response efforts