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 ...

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 ...

As the bird flu continues to spread across the United States, this map show the extent of the outbreak.

Maps of bird flu cases show the spread of the virus across the United States. Download USA TODAY's app to get to the heart of news Where has bird flu been reported in the US?

A map showing the cases of bird flu in the United States on a background of chickens. Poultry birds are one of the main animals among which bird flu is circulating, as well as wild birds and cattle.

As we head further into flu season, a map reveals where the most people are getting sick and the risk to others is highest.

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 … ...

As the bird flu continues to spread across the United States, this map show the extent of the outbreak.