This year’s flu season is shaping up to be a nasty one—driven by a new variant of the influenza virus that may be able to slip past our vaccine defenses. A mutated form of the influenza A strain H3N2 ...

A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza A(H3N3) Subclade K, which has been increasingly detected worldwide.

DALLAS — A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza A(H3N3) Subclade K, which has been increasingly detected worldwide ...

Cities across the nation are being hit with a new variant of influenza called subclade K, which has been dubbed a "super flu." NewsNation’s Alicia Nieves has the details, live from New York City, one ...

A new form of the flu, which is highly contagious and aggressive, is sweeping the nation this season. A mutation of influenza A H3N2, called subclade K, has been detected as the culprit in rising ...

GREENVILLE, S.C. (FOX Carolina) - South Carolina has reported its first flu death this month, with health officials confirming the victim was a Lowcountry resident, as medical experts warn about a new ...

At least 14 states and Washington, DC, are reporting high or very high flu activity. The dominant flu strain, a version of influenza A (H3N2) called subclade K, has multiple mutations that make it ...

There are some unusual symptoms being reported with a new and mutated flu variant quickly spreading in the U.S. ahead of holiday gatherings. According to Dr. Juanita Mora, the national spokesperson ...

Health officials are warning people about a flu virus called H3N2 that is spreading in the United States and other countries as flu season begins. This type of flu is one of the main kinds of ...

As many families are preparing to gather for the holidays, influenza (flu) cases are spiking across the country. According to the latest data from the Centers for Disease Control and Prevention (CDC), ...

With winter nearly here and holiday celebrations ramping up, health officials are encouraging flu vaccinations and raising concerns about a new flu variant. The A H3N2 type of influenza virus, ...