GU371271   Influenza A virus (A/Hunan Changsha/SWL4346/2009(H1N1)) segment 4 hemagglutinin (HA) gene, complete cds.   [Influenza A virus (A/Hunan Changsha/SWL4346/2009(H1N1)) A/HunanChangsha/SWL4346/2009 | 703349.3]