Avian influenza A (H5N1) has mutated, so the symptoms of bird flu could change as more people get sick in 2025.

making him the first patient in the U.S to die of bird flu. His case showed signs the virus is mutating, the CDC said, raising fears it might become more transmissible among humans. In a U.S ...

This is usually triggered by symptoms — like red eyes for H5N1 or a history of having ... Health reported a presumptive case ...

In an abundance of caution, the CDC last week advised hospitals and labs to do faster flu testing to help identify possible ...

Since April, at least 66 cases of bird flu have been reported in the United States, but almost all the patients had mild illnesses — pink eye or respiratory symptoms — and, until the recent death, all ...

The Louisiana patient who contracted what officials said was the nation’s first “severe” case of avian influenza has died, the state health department said Monday. The person who contracted the H5N1 ...

A patient who'd been hospitalized ... to happen with this particular flu.” Human infection with bird flu can happen when the virus gets into a person’s eyes, nose or mouth, or is inhaled ...