U.S. flu season officially begins

ATLANTA, Feb. 10 (UPI) -- The U.S. flu season has officials begun with widespread infections in California, but for most of the country, flu is still sparse, health officials said.

Flu activity picks up in Iowa, Illinois

The flu season that got a slow start in Iowa and Illinois has picked up steam in the past few weeks.

Flu bug has apparently taken the winter off

"We are having a very mild flu season this year. February is when you typically see the peak of flu cases," said Guillermo Cole, spokesman for the Allegheny County Health Department, which monitors the number of flu cases.

Flu season coming to peak in February, March

By: Zach Roach The 2012 flu season has been mild compared to past years, but it doesn't mean the public is out of the woods just yet. The months of February and March bring peak season, which still gives time for the flu virus to pick up and wreak its havoc. ... ;

Iowa Department of Public Health: Flu increasing in the state

The flu season typically peaks in February and can last as late as May.