Public health experts are urging vigilance amid recent reports of severe bird flu cases in two North American patients.

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

So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning" ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

Federal health officials have confirmed unsettling new details about the first United States case of severe bird flu, ...

Here's what the latest research is saying about how it is spreading and how to keep yourself and your pets safe.

The administration is committing an additional $306 million toward battling the virus, and will distribute the money before ...

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 Centers for Disease Control and Prevention and other federal agencies are closely monitoring the spread of the HN51 ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

Health experts said while the new finding is concerning, it is not a cause for alarm as the virus has been causing sporadic, ...