(Reuters) - A second Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed ...

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

A close contact of someone with bird flu became ill on the same day, the C.D.C. reported. But the second person was not ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

The Centers for Disease Control and Prevention said Thursday it has yet to identify “a clear source” of infection in a ...

In a disclosure that can't eliminate the possibility that bird flu may have spread from one human to another for the first ...

Health officials say they don’t know how a Missouri person caught bird flu, but they believe it may be a rare instance of a ...

A person sickened by bird flu in Missouri was probably an isolated case, federal health officials said Thursday, though they ...