The CDC estimates there have been at least 11 million illnesses so far.

For decades, the Centers for Disease Control and Prevention (CDC) has stood as the cornerstone of public health in the United States—a scientific institution charged with monitoring disease, advising ...

Add Yahoo as a preferred source to see more of our stories on Google. Flu activity could continue to increase in the U.S. over the next few weeks, according to a top flu epidemiologist at the Centers ...

Flu activity could continue to increase in the U.S. over the next few weeks, according to a top flu epidemiologist at the Centers for Disease Control and Prevention. "There's a lot of influenza out ...