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

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick ...

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, ...

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

Partial CDC data suggest that influenza deaths may have already reached as high as 2% of deaths for the week ending on Feb. 1 ...

The patient was experiencing "flu-like symptoms" and had "health conditions that can make people more vulnerable to illness," ...

As the US enters what is usually the peak month of the flu season, the Centers for Disease Control and Prevention (CDC) has ...

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

The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness ...

This year’s flu season has reached a new milestone, according to preliminary data released by the Centers for Disease Control ...

Nearly 70 people in the U.S. have been infected with bird flu in the last year, according to data from the U.S. Centers for ...

Delays in CDC analyses of infectious disease threats and agency silence will harm Americans, doctors and ...