title: [Analysis on the hemagglutinin genetic characteristics of 2009 novel influenza A (H1N1) virus in Changsha, Hunan province].
authors.affiliation: Changsha Center for Disease Control and Prevention, Changsha 410001, China. zhangrusheng111@yahoo.com.cn
authors.forename: Ru-sheng
authors.initials: RS
authors.lastname: Zhang
authors.forename: Xin-hua
authors.initials: XH
authors.lastname: Ou
authors.forename: Liang
authors.initials: L
authors.lastname: Su
authors.forename: Ke-yun
authors.initials: KY
authors.lastname: Song
mesh_terms: D002648:Child; D002681:China / Q000453:epidemiology; D005814:Genes, Viral; D019267:Hemagglutinin Glycoproteins, Influenza Virus / Q000235:genetics*; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000235:genetics* / Q000302:isolation & purification; D007251:Influenza, Human / Q000453:epidemiology / Q000821:virology*
chemical_list: D019267:Hemagglutinin Glycoproteins, Influenza Virus