Health officials in Illinois are warning of a new and unexpected mutation that could make for a “more serious flu season” as cases are already on the rise. The new variant, known as “Subclade K,” is ...

The Chicago area is already starting to see more influenza hospitalizations than normal for this early in the season.

Concerns about the spread of influenza are growing in the U.S. as the U.K. sees a flu surge in children and young adults.

Some local doctors are concerned about a new strain of the flu called subclade K that is resistant to the vaccine just before ...

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

The flu has started spreading earlier than usual in some parts of the country, prompting concerns that cases could soon erupt as millions of Americans travel and gather for Thanksgiving and other ...

Experts say this year’s flu season could surpass last year’s severe outbreak, highlighting a new strain, vaccine timing and ...

The Chicago Fire Department added five surge ambulances to streets Friday and Saturday after the city saw a spike in flu-related emergency medical calls, according to the Chicago Sun-Times. The Cook ...

The University of Chicago Medical Center began restricting children and anyone with flu symptoms from visiting Wednesday after seeing an early spike in flu cases, according to a Chicago Sun-Times ...

GRAND RAPIDS, Mich. -- A young Michigan boy is issuing a warning about the flu, after a case of it changed his whole life.

Health experts warn this flu season could be unusually severe, with early spread and concerning H3N2 strain activity across the U.S. following Australia's worst flu season.

Chicagoans are likely grabbing gloves, hats and lip balm as winter takes root in Chicago. But you may want to add hand sanitizer, a mask and vitamin C to your list of essentials as health officials ...