Routemap of H7N9 HA Gene (IMAGE) University of North Carolina at Charlotte Caption This is a routemap of the earliest isolates of H7N9 indicating that the HA gene came in from Korea to Shanghai and Zhejiang and then spread from these places to the rest of mainland China and Taiwan. Credit Daniel Janies 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.