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目的查找该例人禽流感病例的感染来源。方法调查病例的发病、就诊、暴露等情况,医学观察密切接触者。结果病例所在村落从2006-03-05起出现病死禽现象。病例发病前1周有病死禽及其分泌物或排泄物接触史。病例标本H5N1亚型禽流感病毒核酸阳性,并分离出H5N1亚型禽流感病毒。结论在禽间无明确禽流感疫情的情况下,人间仍可出现病例,可能通过接触污染的环境或吸入被污染的扬尘导致感染。
Objective To find out the source of infection in this case of bird flu. Methods Investigate the incidence of cases, treatment, exposure and other conditions, medical observation of close contacts. Results The villages where the cases were located died from dead poultry since 2006-03-05. 1 week before the onset of disease, dead poultry and their secretions or excretions contact history. H5N1 subtype avian influenza virus nucleic acid samples were positive, and H5N1 subtype of avian influenza virus was isolated. Conclusion In the absence of a clear outbreak of bird flu in poultry, cases may still occur in the world, which may lead to infection through exposure to polluted environment or inhalation of contaminated dust.