Antigenic Mismatch (IMAGE) Cell Press Caption Most H3N2 influenza viruses circulating during the 2014-2015 influenza season were antigenically mismatched to the H3N2 component of the 2014-2015 influenza vaccine. Credit Chambers et al./<i>Cell Reports</i> 2015 Usage Restrictions Credit Required. 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.