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

Schools in at least two states canceled classes at the start of this week amid a surge in influenza cases nationwide.

Latest data shows which counties have been hardest hit by bird flu outbreaks among poultry flocks as the human case count climbs.

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

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

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

Koffarnus said the best form of protection during flu season is a flu vaccine but he said flu vaccination numbers have been going down every year for the past five years. He said it’s also important ...

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.

Schools around the U.S. are closing due to surges of flu and other illnesses, which are sickening students and staff. Here's ...

The report's virological surveillance indicated there have been 8,806 lab-confirmed tests this week ― an increase from last ...

A second type of the virus, D1.1, has been detected in dairy cattle in Nevada, US. A second type of bird flu H5N1 detected in ...

The flu is widespread and continuing to increase across Oklahoma, with positive cases and hospitalizations well above ...