A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

Between January 2022 and November 2024, 1,200 bird flu outbreaks were identified across 48 states, according to a Wildlife ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) announced on Wednesday. Until recently, all dairy herds in the U.S. had been ...

Bird flu has decimated poultry flocks and infected cattle herds. The risk to humans is currently low, but that could easily ...

Waterfowl birds and their predators are especially at risk of contracting H5N1. Massachusetts has not yet reported a human ...

“In Asia, people buy live birds at markets where they are plucked. The plucking has been shown to aerosolize virus from the ...

While the virus hasn’t made a sustained leap into humans, vaccines and treatments are being developed ahead of an outbreak.

A Massachusetts biopharma giant is at the center of preparations already underway if bird flu mutates and begins to find ...

Robert F. Kennedy Jr., told senators Thursday he would support the development and distribution of avian flu vaccines for ...

The US Department of HHS is awarding the pharmaceutical company Moderna $590 million to continue developing a vaccine to protect against bird flu.