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

Data on flu test positivity and Tamiflu prescription fills show that influenza activity has already surpassed the past 7 ...

Eleven states are experiencing very high levels of flu and some schools have been closed by the burden on students and staff.

Influenza A — a nasty flu strain that fueled the 2009 flu epidemic — has been landing Ohioans in the hospital since the ...

Flu cases are surging this winter—this season is no joke. New data from the Centers for Disease Control and Prevention ...

Flu-related hospitalizations are at an all-time high as the virus continues to surge across the state.

The Georgia Department of Agriculture has lifted the suspension of poultry activities in Georgia, one of the country’s top ...

The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection ...

A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

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

Flu cases are on the rise in El Paso as Texas experiences one of the highest levels of influenza activity in the country, ...