Map of COVID-19 transmission in Asia (IMAGE) University of South Florida Caption The map demonstrates risk of transmission between locations, with darker colors indicating higher risk of transmission. The links are estimated from the time of infection, distance and population density of each administrative unit. The administrative units are colored by date of infection, with uninfected units in gray. Credit University of South Florida 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.