Fears the world is heading towards another pandemic are growing, as new data shows the spread of the deadly bird flu virus ...

Bird flu infections have been rare among people, but the pathogen is evolving, which has scientists worried about a possible ...

Avian flu strains tend to only affect birds, but the current outbreak has spread to cattle and – in rare cases – people. The ...

H5N1 bird flu has now crossed into U.S. dairy cattle for the first time, and alarmingly, it did so through just one spillover ...

A variant of the bird flu virus, collected in 2016 and no longer in circulation, was just one mutation away from being able ...

Any evidence of a bird virus jumping readily into mammals is a worry, as it could indicate that mutations that allow for ...

Bird flu outbreaks have forced tens of millions of chickens to be culled across nine states over the past year as more hotspots continue to emerge. So far, the Department of Agriculture has ...

Bird flu has been circling the globe for decades. So the discovery in 2024 that the deadly pathogen had jumped from a wild bird to a cow came as a shock to virus watchers. Now, in just over a year ...

A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as 2.3.4.4b, which has ...

Aggressive deportation tactics have terrorized farmworkers at the center of the nation’s bird flu strategy, public health workers say. Dairy and poultry workers have accounted for most cases of ...

Apr. 17, 2025 — A vaccine under development has demonstrated complete protection in mice against a deadly variant of the virus that causes bird flu. The work focuses on the H5N1 variant known as ...