The US Department of Agriculture (USDA) has taken a significant step towards the approval of an H5N1 avian flu vaccine for ...

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

An individual from Missouri with no known exposure to risk factors got infected, and a close contact developed symptoms but ...

A recent decision by USDA could pave the way for an H5N1 avian flu vaccine for dairy cows by as early as the first quarter of ...

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WASHINGTON — Public health officials are still trying to determine how a Missouri resident contracted bird flu without having ...

Bird flu has killed millions of fowl and infected, even killed, hundreds of humans. But the jump to cattle has experts ...

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...