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

Almost 6 out of 10 Americans who identify as Republican do not trust the Centers for Disease Control and Prevention (CDC) to provide reliable information on H5N1 bird flu, according to a new poll ...

One of the worst flu seasons in years has reached its peak and is improving, officials with the Centers for Disease Control ...

The numbers are posted weekly. That week, public health labs reported 4,377 viruses to the CDC, and 4,264 of them were the flu. According to the agency, there have been at least 24 million ...

Bird flu in house cats could pose a risk to public health A critical analysis of the seasonal flu selected for distribution through the CDC’s Health Alert Network has stalled, according to ...