This year's vaccine protects against three different types of flu viruses to include the 2009 H1N1 virus that caused so much illness in the past.

Influenza is caused by three types of RNA viruses called influenza types A, B and C (considered different genera), which all belong to the family Orthomyxoviridae.The disease, colloquially called ...

One family of flu viruses hasn’t been seen since 2020. ... which target three types of flu, include two influenza A strains, H1N1 and H3N2, and an influenza B/Victoria strain.

Type B is one of three types of influenza viruses that infect humans—A, B, and the very mild C. (There's a fourth type, D, but so far it mainly seems to infect cattle.) ...

Flu season is here, and there are 3 different types of flu viruses to watch out for. Here's what you need to know.

The Flu Viruses. Flu viruses are divided into three types, designated A, B, and C. Influenza types A and B are responsible for epidemics of respiratory illness that occur almost every winter and ...

(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 ...

Looking ahead to the 2024 Southern Hemisphere flu season, experts advising WHO on Friday recommended trivalent vaccines, which target three types of flu, include two influenza A strains, H1N1 and ...