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

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

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

The Centers for Disease Control and Prevention (CDC) has confirmed a human case of avian influenza A(H5), commonly known as ...

The first human case of avian influenza A was detected by the Missouri Department of Health and Senior Services' influenza ...

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

The Missouri Department of Health and Senior Services detected the first human case of H5 bird flu in Missouri. The Centers ...

A person in Missouri has been diagnosed with bird flu — despite never coming into contact with any animals, the Centers for ...

Partial genetic sequences from the virus in the Missouri patient were similar to the same segments in viruses isolated from U ...

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

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

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