For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...

The Centers for Disease Control and Prevention is keeping close eye on pandemic indicators amid bird flu cases arising in the ...

The patient in Louisiana who was hospitalized with severe bird flu illness was found to have a mutated version of the virus.

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

The CDC has revealed the red flags it is monitoring for that suggest that bird flu was about to become the world's next pandemic.

The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.

The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

Bird flu cases are on the rise in the U.S., and the CDC is on high alert. With 66 confirmed human cases so far, officials are ...

The CDC previously confirmed the first severe human case of bird flu in Louisiana, but now the CDC has confirmed a virus ...

What is the bird flu pandemic risk? CDC analysis suggests the H5N1 virus has the capacity to mutate in ways that could make ...

The CDC said Thursday its analysis of samples from a Louisiana patient with bird flu showed mutations not seen in samples ...

The CDC called findings about bird flu mutations in a human case “concerning” but says the risk to the general public from ...