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

SHERMAN, Texas (KXII) - This year’s flu season has been intense for every age group. The CDC said there have been at least 33 ...

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

The flu season has reached its peak, according to new data from the Atlanta-based CDC. This comes just weeks after CDC data ...