All age groups in the United States are experiencing a "high severity" of influenza cases among all age groups for the first ...

A devastating wave of respiratory illnesses is sweeping across 40 US states, with millions already affected.

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick with coughs, soreness, fevers, vomiting, and other flu-like symptoms.

Flu season is in full force in the United States. At least 310,000 flu-related hospitalizations and 13,000 deaths have been ...

The rate of Americans visiting doctors’ offices for flu-like illness is continuing to reach record levels, new CDC data ...

A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working ...

The Centers for Disease Control and Prevention reports that flu cases in the United States this season are at their highest levels since the 2009–2010 swine flu. For the first time, the death rate for ...

Low vaccination rates may also be contributing to this year’s sick season. As of late January, U.S. vaccine uptake was well ...

To reduce the odds of catching the flu and colds, experts say consider tried-and-true prevention methods like hand washing and mask wearing.