As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and Prevention confirms.

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

But people with norovirus won’t get the respiratory symptoms that are characteristic of the flu, like the congestion and ...

A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the ...

Having the flu is a lousy experience, regardless of the type you have. While news of a rough flu season ahead (spurred by subclade K) continues to make headlines, there are two main types of flu, A ...

ANSWER: Both colds and influenza (the “flu”) are respiratory illnesses that are caused by viruses. Influenza is caused specifically by the influenza viruses, which come in two main types (A and B).

U.S. flu rates remain low, but experts are keeping an eye on a new strain that’s been linked to unexpectedly early and severe ...

Amid the ongoing flu season, a new health concern is emerging, with a specific mutation of Influenza A, known as the K ...

Scientists have discovered that avian influenza viruses have a gene that makes them incredibly resistant to heat, rendering ...

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, ...

This year's version of H3N2 has experts on alert. It's a mutated version, subclade K, that may weaken the vaccine's ...