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

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 ...

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

Some types of flu can make you very ill ... deaths and 200,000 hospitalizations each year in the U.S. The seasonal flu vaccine was created to help prevent these epidemics. Type A flu or influenza ...

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

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

All nine macaques given the control developed severe disease when exposed to bird flu, as did all given the smallest dose of ...

WE ARE IN THE HEAT OF FLU SEASON AND THE VIRUS IS MAKING ITS IMPACT FELT. WE’VE SEEN FLU TAKE A LITTLE BIT OF PREDOMINANCE AS WELL OVER THE LAST FEW WEEKS. NOW THERE ARE TWO MAIN TYPES INFLUENZA A AND ...