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.

Lassa fever, Nigeria

Wed Sep 23rd 2026      25 reports (1 new)

- Lassa fever outbreak in Nigeria reaches 1086 confirmed cases and 259 deaths with weekly incidence declining

Flea-borne typhus, USA

Wed Sep 23rd 2026      4 reports (1 new)

- Flea-borne typhus outbreak with seven cases, including six hospitalizations, reported in Los Angeles, California, USA

Hepatitis A, USA

Wed Sep 23rd 2026      2 reports (1 new)

- Multistate hepatitis A outbreak linked to imported frozen concha negra (black clam) shell meat, with 37 cases across four US states

West Nile virus, USA

Wed Sep 23rd 2026      7 reports (1 new)

- California, USA, reports five-year high in West Nile virus (WNV) cases, with 147 cases and 10 deaths; highest burden in Los Angeles County

Undiagnosed event, Madagascar

Wed Sep 23rd 2026      4 reports (1 new)

- RFI: 36 deaths in Ifanadiana, Madagascar; measles and malaria suspected. RFI on diagnostic results and epidemiological findings

Leptospirosis, Philippines

Wed Sep 23rd 2026      8 reports (1 new)

- Philippines reports 10 936 leptospirosis cases in 2026, with epidemic thresholds exceeded in areas across 10 regions

Avian influenza, Europe

Wed Sep 23rd 2026      9 reports (1 new)

- European Food Safety Authority and European Commission launch #NoBirdFlu campaign ahead of autumn bird migration