Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

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. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

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

Flu activity is at its highest level since 2009, forcing school closures and overwhelming hospitals across the U.S.

While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

The data, which appeared fleetingly online on Wednesday, confirmed transmission in two households. Scientists called on the ...

Cases of the flu continue to rise nationwide and now appear to be higher than they've been in at least three decades, ...

Bird flu is infecting more people than we think. We need to stop it now before a new pandemic begins Right after President ...

Data from the Centers from Disease Control and Prevention on doctors' visits for flu-like symptoms indicate this is the most ...

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