The progression of the species-jumping disease has been unprecedented, including the first-ever U.S. cases of infections in ...

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

also known as avian flu H5N1, though there is concern that the virus, which has spread among farm cows in the US, may mutate and spread to humans, leading to a flu pandemic. One of the barriers ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

A wild goose found in Putnam County tested positive for a “case of highly pathogenic avian influenza,” known as H5N1 or bird flu, but risk to the public remains low, the county’s health ...

But how do researchers know that if a person tests positive for influenza A, it’s not H5N1 avian flu? “We don’t have the ability to differentiate through quick, antigen tests at this time ...