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 ...

NEW YORK (Reuters) - The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, ...

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

Flu activity is increasing in Minnesota, and state health officials say it’s not too late to get a flu shot. The flu season can last through April, so getting a flu vaccine now will provide protection ...

The CDC estimated there have been 24 million cases of the flu so far this season, leading to 310,000 hospitalizations and ...

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.

There are some new tools to help this respiratory virus season: over-the-counter tests that can identify whether an illness ...

Scientists are calling on the U.S. Centers for Disease Control and Prevention (CDC) to disclose data about the risks of bird ...

Despite the severity of this flu season, vaccination rates have remained consistent with previous years, according to the CDC ...