Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, ...

The CDC estimated there have been at least 7.5 million illnesses in the U.S., 81,000 hospitalizations and 3,100 deaths from ...

A more severe and highly contagious new strain of the flu is circulating this season. It's called subclade K, or more ...

As flu cases rise across the U.S., those who end up contracting the virus have treatments available that may help reduce ...

This flu season medics have been struck by the uptick of cases involving the type B flu virus, which has been predominating the season for the first time in 27 years. Influenza can be split into four ...

While flu cases are on the rise in Oklahoma, OU Health said it’s not unusual for this time of year. Many of the cases ...

Flu season is starting to tick up in the U.S. And, looking at clues from other countries, we may be in for a rough winter. But not all influenza is the same. And there are some notable differences ...

(NEXSTAR) – 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 new strain is a variation of influenza ...

A new strain called H3N2 subclade K has emerged, raising concerns that the body may not be able to fight it off as well.

Flu cases in Florida saw a big increase last week, according to the state's weekly influenza surveillance. Subclade K, a mutation from the influenza A H3N2 strain, is driving up infection rates across ...