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.

Hantavirus, Russian Federation

Sun May 31st 2026      2 reports (1 new)

- Cluster of five people with hemorrhagic fever with renal syndrome registered in Penza Oblast, Russia

Yellow fever, Colombia

Sun May 31st 2026      9 reports (1 new)

- Colombia: Yellow fever outbreak surpasses 192 cases and 85 deaths, with ongoing traveler transmission in Tolima

Meningitis, Brazil

Sun May 31st 2026      1 report (1 new)

- Request for Information (RFI): Mato Grosso, Brazil: Meningitis – 53 cases and eight deaths across 20 municipalities during seasonal peak

Bundibugyo virus disease, Democratic Republic of the Congo and Uganda

Sun May 31st 2026      18 reports (1 new)

- 31 May 2026 – Bundibugyo virus disease outbreak: First suspected case outside Africa and Europe in Brazil