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

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

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 ...

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

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

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

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

WASHINGTON — Public health officials are still trying to determine how a Missouri resident contracted bird flu without having ...

A household contact of a Missouri patient who contracted bird flu also became ill on the same day, the CDC said in its weekly update on the H5N1 outbreak among dairy cows and poultry across the U.S.

The risk to the general public remains low, U.S. Centers for Disease Control and Prevention officials said in a statement NBC Universal, Inc. A hospitalized patient in Missouri was infected with bird ...

A week after an unusual human case of H5 avian influenza was reported in Missouri, many questions remain. The latest on what's known -- and not known -- about the case, and why scientists are worried.

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 ...