Data from the Centers for Disease Control and Prevention shows seasonal flu activity continues to increase across the country ...

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

Flu A and flu B are two different strains of influenza, explains Thomas Russo, M.D., professor and chief of infectious ...

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

Flu cases are surging across the country – more than half of states are now at “very high” levels, the most severe designation by the Center for Disease Control and Prevention – but is ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

(NEXSTAR) – The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the Centers for Disease Control and Prevention since the ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.