Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

Cases of the seasonal flu in the U.S. have reached their highest numbers in more than a decade, according to the Centers for Disease Control and Prevention.

So far this season, the CDC estimates, there have been 13,000 flu deaths — including at least 57 children. The flu has forced ...

For the first time since 1952, publication of the CDC's Morbidity and Mortality Weekly Report was halted. It returned on Feb.

The Minnesota Department of Health (MDH) tonight announced it is sending lab samples from seven additional individuals to the U.S. Centers for Disease Control and Prevention (CDC) to be tested for ...

Flu cases had previously peaked this season at the very end of December. At week 52 —ending on December 28—the percentage of ...

The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the ...

Early results from a trial testing a 2009 H1N1 influenza vaccine in children look promising, according to the trial sponsor, the National Institute of Allergy and Infectious Diseases (NIAID), part ...