短語詞組短語avian H5N2 influenza virus vaccine 禽流感H5N1滅活杭原H9N2 avian influenza virus H9N2 亞型禽流感病毒avian influenza virus a a 型禽流感病毒;a型流感病毒Avian Influenza Virus H9N2 禽流感病毒H9N2亞型h avian influenza virus h9 亞型禽流感病毒Avian influenza A virus 禽流感病毒A型H5N1 avian influenza virus H5N1 禽流感病毒Avian influenza virus H5N1 禽流感病毒H5Navian influenza virus hemagglutinin 禽流感病毒血凝素 返回 avian influenza virus