Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

The Centers for Disease Control and Prevention resumed publishing its weekly scientific report Thursday after an ...

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

That is the worst on record in the CDC's influenza surveillance network since late 2009, during the swine flu pandemic. While most flu seasons usually see a resurgence of infections after the ...

Flu cases have been surging across the United States, according to the latest estimates of the US Centers for Disease Control and Prevention (CDC) released on Friday. There have been at least 24 ...

Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.

More than 30% of tests came back positive for flu as of the week ending Feb. 1. Outpatient health care visits for flu illnesses are at their highest levels in 15 years, according to data updated ...

The Centers for Disease Control and Prevention ... flu virus were scheduled to be released in the weekly Morbidity and Mortality Weekly Report (MMWR) on Jan. 23, according to multiple CDC ...

Scientists are calling on the U.S. Centers for Disease Control and Prevention (CDC) to disclose data about the risks of bird flu to people and pets that was posted briefly online Wednesday and ...

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...