A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

A dairy worker in Nevada was infected with a new type of bird flu that’s different from the version that has been spreading ...

Colorado is experiencing "very high" flu activity, according to the Centers for Disease Control and Prevention's (CDC) weekly ...

Flu activity in the United States continued to be higher than normal for the week ending Feb. 1 and older adults are seeing the highest hospitalization rates, according to a Feb. 7 US Centers for ...

The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection ...

There have already been seven outbreaks of gastrointestinal illnesses reported aboard ships that touch U.S. waters this year—well above the usual pace.

Oregon is one of 43 states showing a surge in flu activity. New data from the CDC shows doctor visits for the flu are at ...

There have been an estimated 24 million flu illnesses, 310,000 hospitalizations and 13,000 deaths so far this season — but ...