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, international waters

Sun May 17th 2026      16 reports (1 new)

- 17 May 2026 update on ANDV (hantavirus) outbreak, MV Hondius: Canada confirms infection in provisionally positive cruise ship passenger

Avian influenza, Peru

Sun May 17th 2026      4 reports (1 new)

- First detection of low pathogenicity avian influenza H9N2 in lesser rhea during a June–July 2025 outbreak in Puno, Peru

Marine toxin poisoning, Vanuatu

Sun May 17th 2026      3 reports (1 new)

- Ciguatera fish poisoning cases increase to 173 across 10 islands in Vanuatu; ongoing public health advisories and international travel notifications

Bundibugyo ebolavirus disease, Democratic Republic of Congo and Uganda

Sun May 17th 2026      4 reports (1 new)

- Update on Bundibugyo ebolavirus disease outbreak: WHO declares PHEIC following cross-border spread to Uganda and ongoing transmission in Ituri Province, DRC

Measles, Sierra Leone

Sun May 17th 2026      1 report (1 new)

- Measles outbreak in Sierra Leone increases to 41 cases in eight districts; 75% national test positivity rate suggests higher number of undiagnosed cases

Rat hepatitis E virus, Hong Kong

Sun May 17th 2026      1 report (1 new)

- First case of rat hepatitis E virus in Hong Kong in 2026, detected in a man with chronic liver disease