H5N1 in vultures, Bay Area wildlife, and dairy herds — ecological amplification risk
Key Questions
What is the impact of H5N1 on black vultures in the US?
H5N1 has caused high mortality in Southeastern US black vultures, reported on March 18, 2026. This outbreak highlights the virus's spread to avian scavengers.
Where else has H5N1 affected wildlife recently?
H5N1 has impacted Bay Area marine mammals, elephant seals at UCSC, and cases in Cambodia. These incidents show the virus's expansion across diverse species and regions.
What is the status of H5N1 in US dairy herds?
H5N1, dubbed 'cow flu,' persists in herds across 15 states with ongoing spillovers. Surveillance in milk detects the virus, with evidence suggesting airborne and fly transmission risks.
H5N1 high mortality in U.S. SE black vultures (2026-03-18); Bay Area marine mammals; UCSC elephant seals; Cambodia. Persisting 'cow flu' in 15-state herds with spillovers, milk surveillance, airborne/flies hints.
Sources (1)
Updated Apr 13, 2026