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

Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.

More than 24 million people have had seasonal flu this season, according to estimates from the Centers for Disease Control ...

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

The CDC confirmed a case of a new strain of bird flu in a dairy worker who contracted the virus from infected cows on a ...

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

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

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

Flu cases are surging across the nation, closing nearly a dozen schools and swamping hospitals in some states.At least 24 ...

Flu activity in the United States continued to be higher than normal for the week ending Feb. 1 and older adults are seeing the highest hospitalization rates, according to a Feb. 7 US Centers for ...

A strain of bird flu spreading among dairy cows in Nevada has infected a dairy worker in the state, the Centers for Disease ...