Objective To detect the seroepidemiologic antibody to the subtypes of avian influenza A virus,H5 and H9 in poultry breeding workers,to understand the infection of avian influenza A virus.

• 目的调查珠海地区养殖场人员中禽流感H5和H9二种亚型血清中抗体水平,以了解上述2种禽类甲型流感病毒亚型以往的接触感染情况,为防治人间禽流感提供科学依据。