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.

A surge in flu cases has doctors’ offices and hospitals packed across the state. Physicians say are seeing a jump in coughing ...

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

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

While levels of one respiratory virus have reduced significantly in NC since January, the risk of contracting a respiratory virus remains very real.

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

During this week, of the 4,377 viruses reported by public health laboratories, 4,264 and 113 were influenza A and B, respectively. Of the 3,458 influenza A viruses subtyped, 53.7 percent were ...

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 ...