乌鲁木齐市禽类市场外环境中禽流感病毒污染状况调查

Investigation on pollution status of avian influenza virus in external environment of poultry market in Urumqi City

目的了解乌鲁木齐市禽类市场中禽流感病毒的污染状况,为防控人感染禽流感疫情提供依据。方法采集乌鲁木齐市各区县的活禽市场和农贸市场外环境标本,采用实时荧光定量PCR方法进行H5、H7、H9亚型禽流感病毒检测。结果采集外环境标本625份,检出A型流感病毒阳性74份,阳性率为11.84%。其中H5型阳性9份,H7型阳性18份,H9型阳性45份,H5和H9混合阳性2份。结论乌鲁木齐市活禽市场的外环境中存在H5、H7和H9亚型禽流感病毒,禽类市场是人感染禽流感病毒的高危场所,应做好禽流感的检测和防控。

[Objective]To understand the pollution status of avian influenza virus in poultry market in Urumqi City,provide the basis for the prevention and control of human infection with avian influenza.[Methods]The samples of external environment were collected from the poultry market and farmers markets in counties/districts of Urumqi City,and H5,H7 and H9 subtypes of avian influenza virus were detected by real-time quantitative PCR.[Results] Totally 625 samples of external environment were collected,and 74 were positive for influenza A virus with the positive rate of 11.84%. There were 9 cases of H5 subtype,18 cases of H7 subtype,45 cases of H9 subtype,and 2 cases of mixed H5 and H9 subtype.[Conclusion]H5,H7 and H9 subtypes of avian influenza virus have been found in external environment of poultry markets in Urumqi City. The poultry markets are the high-risk sites for people infected with avian influenza,and it is necessary to implement the detection and control of avian influenza.