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

It's not uncommon for February to have a spike in flu cases, but this year, there are significantly more cases than average.

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 two most severe and most common flu strains are type A and type B. There is also a type C influenza, but it's less common and doesn't tend to follow the same seasonal patterns as the other two ...

Illinois is seeing a "notable increase" in hospital admissions for flu cases, according to state health officials, as levels of respiratory viruses continue to tick up. But which type of flu is ...

Flu cases in South Carolina have surged past 40,000 this season, with hospitalizations rising and 67 deaths reported ...

The highly contagious bird flu has hit Montgomery County, Maryland, where officials say a backyard flock of chickens tested ...

The two most severe and most common flu strains are type A and type B. There is also a type C influenza, but it's less common and doesn't tend to follow the same seasonal patterns as the other two ...