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 ...

The agency, in its latest update released Thursday, said the mutations were not found in samples taken from wild birds, suggesting the virus changed over the course of the patient’s infection.

First Severe Bird Flu Case Confirmed In USNotably, these mutations weren’t present in the bird samples, suggesting they ...

The CDC stressed there has been no known transmission of the virus from the Louisiana patient to anyone else. The agency said ...