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 ...

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 ...

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 ...

H5N1, also known as avian influenza, is a subtype of influenza virus that infects birds and mammals, including humans in rare instances, says the World Health Organization (WHO).

This year's flu season is turning out to be brutal. As a new variant known as subclade K spreads rapidly, a study out today offers clues as to how to avoid the annual sickness. Researchers from ...