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 ...

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

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

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

The U.S. Department of Agriculture is projecting that egg prices will decrease in the coming months. But experts said that ...

In a case that continues to confound scientists, U.S. health officials said Thursday that they still don't know how ...

Health officials on Thursday said they don’t know how a Missouri person caught bird flu but believe it may be a rare instance ...

Epidemiologists have not yet identified exactly how a person in Missouri contracted bird flu last week, said the U.S. Centers ...