Health officials identified three contacts, including two healthcare workers, who were closely monitored after a bird flu ...

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

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

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 ...

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

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

An individual in Missouri has contracted bird flu, the first human infection unconnected to farm work in an outbreak detected in the spring when the disease was discovered among dairy cows.

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

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 ...