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A Yakima County, Washington resident has died from H5N1 bird flu — the first U.S. bird flu fatality of 2026 — after exposure to infected dairy cattle. The person had underlying health conditions and was hospitalized before passing away Sunday. This marks the third U.S. death linked to bird flu since the virus began spreading among livestock in early 2024, with experts raising concerns about its overlap with regular flu season.
A Yakima County, Washington resident has died from H5N1 bird flu, becoming the first U.S. bird flu fatality of 2026 and the third since the virus began spreading among American dairy herds in early 2024. The individual, who had pre-existing health conditions, was exposed to the virus at a dairy farm and was hospitalized with severe illness before dying on Sunday. The CDC confirmed the H5N1 strain and found no genetic changes that would make it spread more easily or cause more severe disease.
The outbreak in Yakima County is significant in scale — 33 dairy herds in the county and one in neighboring Benton County have tested positive for H5N1, and three human infections have been linked to a single dairy. Health officials are actively tracing close contacts and monitoring them for symptoms.
By the Numbers:
Why it matters: Experts are sounding the alarm about bird flu activity ramping up just as regular flu season begins. The simultaneous circulation of human and avian flu viruses raises the risk of viral recombination — a potential pathway to a pandemic strain. Scientists are calling for expanded surveillance, stronger protections for farmworkers, and serious consideration of vaccinating U.S. dairy cattle.
