Flu Map (IMAGE) University of Chicago Medical Center Caption Flu cases cases in the US tend to originate in the southeast and move north away from the coasts. Credit Andrey Rzhetsky, UChicago Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.