The Department of Health and the National Institute for Communicable Diseases are monitoring a rise in seasonal influenza ...

The U.S. may be in for yet another rough flu season, particularly as influenza A H3N2 mutated into a new subclade and has been associated with an earlier-than-usual start to flu season in other parts ...

H3N2 flu cases are tripling in some countries as a new version with seven mutations spreads worldwide. US data remains ...

Massachusetts' Commissioner of Public Health Dr. Robbie Goldstein is vaccinated for COVID-19 and the flu at Whittier Street Health Center in Roxbury as CDC Director Mandy Cohen, right, looks on. Mark ...

CEDAR SPRINGS, Mich. — A new influenza virus mutation is spreading across the United States, increasingly infecting Americans. It is a strain of influenza A called "H3N2 subclade K," according to the ...

A new mutated strain of the common flu, influenza H3N2, subclade K, is spreading across the Northern Hemisphere, including the United States. This particular strain has gained dominance in many ...

When flu cases spread fast in other countries, it’s usually a predictor of what’s in store in the United States. That could be the case this year, as infections arrived early and are spreading rapidly ...

If you've been paying attention to the news lately, you likely have heard about the new strain of severe "super flu" going around right now."H3N2 Influenza A has undergone genetic drift this year by ...

An outbreak of H3N2 flu in India has left at least two people dead, according to health officials in the country. The virus is known for causing severe illness in young children and older adults. So ...

MIAMI — Just in time for the busy Thanksgiving travel and family gathering season, health experts are keeping a close eye on a new flu strain that has emerged overseas. A new variant of influenza A, ...