Partial CDC data suggest that influenza deaths may have already reached as high as 2% of deaths for the week ending on Feb. 1 ...

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

A new strain of bird flu has infected a dairy worker in Nevada, marking the first cow-spread case, the CDC has reported.

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

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

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

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.

Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, ...

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

In the U.S., bird flu is spreading rapidly on poultry and dairy farms—and data censorship could pose risks to combating it, ...