A new study by researchers at the University of Chicago analyzes the geographical origins of the seasonal flu.

University of Chicago Study Analyzes Geographical Origins of Seasonal Flu

The changing leaves signal not only the approach of fall but also the flu season. A new study shines a light on where most seasonal flu strains originate each year.

Chicago’s been in the grip of an especially bad flu season this year, sending people to the hospital and keeping children home from school. We look at why influenza has been so difficult to fight.

Ventra & Flu Vaccines

We share what you had to say about the CTA's new Ventra fare card payment system and on new options available for flu vaccines in tonight’s viewer feedback.

Catching the flu may be the last thing on your mind as summer unwinds, but flu season is right around the corner. This year, there will be more vaccine options to help prevent against the influenza virus than in years past, including a vaccine that prevents against four strains instead of the traditional three strains of the virus. Read symptoms and tips to avoid the flu.

Another failed pension deal, increased gambling, and gay marriage. Gov. Pat Quinn goes one-on-one with Carol Marin.

Eleven area hospitals have been swamped with patients with the flu and flu-like symptoms. We get the latest on the outbreak from the Chicago Department of Public Health’s medical director.