The CDC Flu Map shows the number of reported cases and flu activity in each state. The CDC updates the reports weekly during flu season and also compares the current trends to previous flu seasons.

A map shared by the CDC shows where in the U.S. these human cases have been detected. The virus, H5N1, also known as avian flu, spreads primarily among wild and domestic birds.

"We wanted a map of predictions continuously across the whole country, including locations where we didn't have data on flu outbreaks." Although the researchers had bird flu data for parts of both ...

A map showing where concentrations of outpatients presenting with flu symptoms are reveals in the week ending November 11 the highest activity was in Louisiana, followed by Mississippi, Alabama ...

A map by the Centers for Disease Control and Prevention showed a moderate level of outbreak in Alabama as of the week ending Nov. 30.

Because the data covers each state as a whole, an outbreak in a single city can elevate the intensity level for the entire state. For a video showing the geographic spread of the epidemic, click here.