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.

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

The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

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.

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

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

Last year there were 207 pediatric deaths attributed to the flu, NBC News reported. The CDC said the number of cases is ...