A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed mild respiratory ...

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

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

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 ...

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 ...

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...

News that a person in Missouri contracted H5 bird flu despite having no known contact with infected animals or birds — in other words, no evident route of infection — raises pressing ...

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

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