Evolution of Human Influenza A Virus (IMAGE) Science China Press Caption This image shows genetic and antigenic evolution of human influenza A (H3N2) virus during 2010-2014. Credit ©Science China Press 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.