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

Does it feel like you know a lot of people fighting the flu virus this winter? The Centers for Disease Control and Prevention ...

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

Influenza A is further divided into subtypes. You may have heard of H1N1 or H3N2 – those are the two dominant types of ...

Influenza A virus particles strategically adapt their shape—to become either spheres or larger filaments—to favor their ...

Flu cases are surging across the country – more than half of states are now at "very high" levels, the most severe ...

or A(H3N2), according to a University of Minnesota report, which cited findings published in Clinical Infectious Diseases. Flu vaccination rates in New York this season continued to lag prior ...

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 ...

South Carolina is one of a handful of states with the highest number of flu cases in the United States, according to data ...

There is need for increased monitoring and precaution measures to ward off H3N2 but no cause for panic yet, say experts as India confirms its first two deaths due to the influenza virus.