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

Last year there were 207 pediatric deaths attributed to the flu, NBC News reported. The CDC said the number of cases is ...

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

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

There are more than 53,000 flu cases alone in the state of New York. That is four times the number of flu cases next door in ...

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.

Scientists are struggling to respond to a Trump administration order to review papers already submitted for publication for content now banned by the federal government, according to interviews with ...

U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for ...

Over 25,000 residents in New Jersey have tested positive for the flu since the start of the year. Find out what symptoms to ...

The newly reported H5N9 strain was found Monday at a duck farm in Merced County, California, according to the World ...