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 ...

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 ...

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

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.

Robert F. Kennedy Jr., President Trump’s nominee for health secretary, doesn’t just hold fringe views on vaccines. We ...

Q&A: From people avoiding wild birds to farmers protecting their animals, Kent State epidemiologist Dr. Tara Smith shares ...

Each season, flu vaccines protect against a set of type A and type B variants based off what variants tend to be circulating worldwide each year, he added.

Vaccine makers choose one variant of type A H1N1, a variant of H3N2 and a B flu strain from a particular lineage, the CDC explains. Previously, they also included a B strain from another lineage ...

The flu vaccine is formulated to protect against both types. The dominance of influenza A at this point in the flu season is to be expected. Influenza A is more commonly seen earlier in flu season ...