New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Doctors and researchers said the moves will make it harder to detect potentially dangerous changes. If the virus continues to ...

Citing a drop in case numbers, the Centers for Disease Control and Prevention (CDC) has ended its emergency response to the ...

The U.S. Centers for Disease Control and Prevention says it has ended its emergency response to H5N1 bird flu, citing a drop ...

Prior to this, nearly a month had passed without any new instances of highly pathogenic avian influenza in a U.S. commercial ...

More than 170 species of North American wild birds were infected with bird flu. Here's what it means for your backyard bird feeder.

Since 2022, the H5N1 strain of bird flu has been detected in all 50 states, leading to more than 1,700 recorded outbreaks affecting nearly 175 million birds.

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Address avian flu outbreak: The government could allocate more resources to combat the ongoing bird flu crisis, which has significantly impacted poultry populations and egg production since 2022.

The bird flu was long known to poultry farmers. Here’s why the dairy industry was caught off guard by its jump to cattle.

Long Island’s last commercial duck farm is rebuilding after a bird flu outbreak forced the destruction of its entire 100,000-bird flock in January.

Defra says an outbreak was discovered at a premises in Ravensthorpe near Mirfield.