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.

Flu cases soar across the US; Sacramento sees highest flu-related medical visits since 2009. Learn prevention tips and why vaccination rates matter.

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

(NEXSTAR) – A record number of Americans are reportedly coming down with a severe case of the Mondays after Sunday night’s Super Bowl, according to a new poll.

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

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general. Trends ...

could be sickening humans sporadically amid high levels of seasonal flu activity. The CDC and MDH are advising health care providers to order further laboratory testing on positive influenza A ...

The information was not reported as it usually is by the CDC, in a weekly breakdown of flu activity called FluView, but was added to a section that focuses on respiratory illnesses in general.

H5N1 Bird Flu Spreads In US: Highly infectious H5N1 virus, also known as the bird flu virus has tightened its grip on the United States. For the first time, Highly Pathogenic Avian Influenza (HPAI ...

president and CEO of the Robert Wood Johnson Foundation and former acting director of the CDC said in a statement. “Right now they are letting us know about bird flu in cows, birds, and people.

According to the CDC, Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. Most human cases of bird flu in the U.S. have been mild so far ...