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 ...

As the fall and winter seasons approach the US, scientists are worried about a renewed spread of the deadly H5N1 bird flu ...

Several labs will work with federal health authorities to develop a test for avian influenza, as the number of human cases ...

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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 ...