A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

The U.S. hasn’t learned lessons from the COVID-19 pandemic that it could use to mitigate the threat of pathogens like H5N1 ...

The ongoing spread of bird flu in the United States has alarmed experts — not just because of human cases causing severe illness, but also due to troubling new instances of infections in cats. A ...

Bird flu could be mutating to become more transmissible to humans, scientists have warned, as the US reported its first ...

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...

In fact, California has been in a Tree Mortality State of Emergency since Oct. 30, 2015. It was declared by Gov. Jerry Brown ...

The CDC warns samples of the bird flu virus show signs of mutations that could make it more transmissible to humans. The CDC ...

Bird flu was busy in South Dakota and in some surrounding states in December. According to the USDA’s avian flu tracker, as ...

The Louisiana patient was hospitalized in critical condition with severe respiratory symptoms from bird flu. According to agency officials, the patient had exposure to sick and dead birds in backyard ...

Here’s what to know about the United States’ first confirmed severe case of H5N1 avian influenza—and how to protect yourself.

Dr. Andrew Pekosz from Johns Hopkins discusses the CDC’s discovery of mutations in the bird flu virus linked to the first severe human case in the U.S. and its risks ...