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

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

The weekly number of lab-confirmed influenza cases on Long Island was the highest in at least the past two seasons, with ...

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

The US Centers for Disease Control and Prevention (CDC) says that flu cases have been surging across the country. Data ...

Flu activity is increasing in Minnesota, and state health officials say it’s not too late to get a flu shot. The flu season can last through April, so getting a flu vaccine now will provide protection ...

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

There are some new tools to help this respiratory virus season: over-the-counter tests that can identify whether an illness ...

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

The Centers for Disease Control and Prevention lists Illinois in the high category for flu cases, and across the Chicago area ...

It's an unusual winter for respiratory illnesses. The flu is peaking twice: once in early January and again in February.

Scientists are calling on the U.S. Centers for Disease Control and Prevention (CDC) to disclose data about the risks of bird ...