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目的通过对昌吉地区高致病性禽流感的高危职业暴露人群感染状况及禽流感外环境因素的调查,探索昌吉地区人感染高致病性禽流感的危险因素,为昌吉地区制定高致病性禽流感疫情防控策略提供科学的依据。方法对昌吉地区禽流感外环境样本进行禽流感病毒(H5、H7、H9亚型)核酸检测,对禽流感高危职业暴露人群进行高致病性禽流感H5N1血清抗体的监测。结果昌吉地区禽流感高危职业暴露人群中存在高致病性禽流感病毒H5N1隐性感染者,昌吉地区禽流感外环境中高致病性禽流感病毒H5N1持续存在。结论昌吉地区外环境中高致病性禽流感病毒(H5、H7、H9亚型)持续存在,人感染高致病性禽流感的风险依然存在,昌吉地区人间不明原因肺炎的监测和禽流感外环境监测工作应常抓不懈。
Objective To investigate the risk factors of HPAI in Changji and investigate the risk factors of HPAI infection in Changji area by investigating the high risk occupational exposure of HPAI in Changji area and the environmental factors of bird flu. Bird flu prevention and control strategies to provide a scientific basis. Methods Nucleic acid detection of avian influenza virus (H5, H7, H9 subtype) in peripheral environmental samples of changji area was carried out to monitor the serum antibody of H5N1 of high pathogenicity avian influenza among high risk occupational exposure groups. Results There was H5N1 latent infection in high-risk occupational groups of bird flu in Changji area. H5N1 of H5N1 in the environment outside bird flu in Changji was persisted. Conclusion The HPAI (H5, H7 and H9 subtypes) in the external environment of Changji area persist, and the risk of HPAI infection still persists. The pneumonia of unknown cause in Changji area and the external environment of bird flu Monitoring work should always be done.