Dr. Michael Reihart, with Penn State Health, also explained who's most at risk for severe illness and how effective this year's vaccine is.

Flu cases are continuing to rise across the country, public health data shows, with Quebec, B.C. and the territories ...

Flu activity continues to increase across Iowa, resulting in rising school absences and emergency room visits, as the country ...

Influenza cases in Lancaster County have more than doubled in the last month, according to state Department of Health data.

The U.S. has seen earlier and more intense surges of the flu and RSV this year than is typical, pediatrician Dr. Ryan Fulton notes.

The two cats were from different households, according to state officials, but both had consumed food from Olympia-based Wild Coast Raw.

A new Centers for Disease Control and Prevention study suggests that bird flu may be spreading under the radar in the U.S. In ...

Seroprevalence of highly pathogenic avian influenza (HPAI) A(H5) virus infection has been identified among bovine veterinary ...

The United States is facing what seems to be one of the worst flu seasons in over a decade. Doctor visits for influenza ...

The Washington State Department of Agriculture (WSDA) and the Oregon Department of Agriculture (ODA) are alerting pet owners about the dangers of raw pet food.

Second winter wave of influenza is sweeping the U.S. with 24 million illnesses and 57 child deaths. CDC estimates 20,000-30,000 deaths this season.