Phylogenetic Tree (IMAGE) Kanazawa University Caption In phylogenetic tree of EV71 strains based on complete VP1 gene sequence, a new C4a-lineage of EV-A71 strains was found in northern Vietnam in 2016, designated as "C4a-lineage 3". Credit Kanazawa University Usage Restrictions The image may only be used with appropriate caption and credit. 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.