While California reports more human cases of bird flu, experts say the true number of cases could be much higher ...

Health authorities confirm a fourth bird flu case – a farm worker exposed to sick cattle – and say two more are presumed to ...

Two new cases identified in California brought this year's bird flu case number up, and experts expect it may grow among farm workers.

A third farmworker has tested positive for bird flu in California, according to the state’s health department. If confirmed ...

A vaccination campaign targeting ducks, the farm birds most at risk of getting and spreading bird flu, succeeded in greatly ...

Authorities said they believe that the evidence continues to suggest the virus spreads only from animals to humans despite ...

The bird flu situation in the United States has evolved rapidly since April, when news about the virus infecting dairy cows ...

California H5N1 outbreaks have had little impact on overall milk production, but experts warn that outbreaks could soon ...

As a rapidly increasing number of California dairy farms suffer outbreaks of H5N1 bird flu, industry experts say it remains ...

STAT recently spoke to Erica Pan, California’s state epidemiologist, about what public health officials are doing to monitor ...

Footage captured by a local vet shows a pile of dead infected cattle left unattended by the roadside, with no warnings or biosecurity measures in place.

US states had reported outbreaks of H5N1 flu in dairy cows as of October 4, 2024. That amounted to a total of 255 affected ...