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

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

The CDC has confirmed a total of 66 human cases of bird flu across the United States as of Friday, although the number is ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the first severe case of the ...

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

The Centers for Disease Control and Prevention (CDC) has identified mutations in a strain of the avian influenza virus H5N1, ...

One of the mutations was also seen in a sample from a British Columbia teenager who was hospitalized with bird flu, the CDC ...

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 ...

The Centers for Disease Control and Prevention (CDC) has identified mutations in the H5N1 bird flu virus that may increase ...

The virus in the first severe human bird flu case in the U.S. was found to have mutated. Follow Newsweek's live blog for updates.

A genetic analysis of samples from the patient in Louisiana recently hospitalized with the country’s first severe case of H5N1 bird flu show the virus likely mutated in the patient to potentially ...