The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

The U.S. is in peak flu season, as the CDC releases a map of influenza activity across the country. See which states are at the highest risk of flu activity.

The deeper we head into flu season, the higher rates of infection grow, as a map produced by Newsweek shows the most at-risk states and cities in the United States.. Rates of flu in the U.S. are ...

The map of flu activity across the United States continues to darken, ... If you’re lucky enough to have avoided the flu so far, experts recommend most people get the flu vaccine, ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and … ...