2001-2009年四川省石渠县动物鼠疫监测

Surveillance of Animal Plague in Shiqu County,Sichuan,2001-2009

目的了解该疫源地动物鼠疫区域界限、分布范围、相关宿主动物、媒介昆虫构成和动物鼠疫流行规律等,为鼠疫防治、监测提供科学依据。方法应用现场流行病学调查和实验室检测相结合的方法。结果 2001-2009年鼠疫IHA血清检测阳性179份,阳性率为7.21%,其中2002年阳性率最高,达17.45%,2001-2009年鼠疫细菌学检验检菌率为0.63%,媒介昆虫组检菌率为0.66%,染疫动物有5科(亚科)6种,疫情主要分布在俄多玛乡和呷依乡,监测结果证实该县存在青海田鼠疫源地,可能存在喜马拉雅旱獭鼠疫自然疫源地。结论石渠县青海田鼠动物鼠疫呈持续流行态势。

Objective To learn about the epidemic area,distribution,related host animal,vector insects and the epidemic pattern of animal plague in epidemic focus of plague in Shiqu,and provide scientific evidence for plague prevention and control.Methods Field epidemiology survey and laboratory detection were conducted.Results The results indicated that 179 serum samples were positive by IHA from 2001 to 2009,the positive rate was 7.21%,which was highest in 2002（17.45%）.The positive rate of bacteriological detection was 0.63%,and the positive rate of vector insect was 0.66%.Six species of host animals in 5 families were found infected.The epidemic mainly occurred in Erduoma and Yayi townships.The surveillance confirmed the existence of Qinghai vole focus in Shiqu and the possible existence of natural plague focus of Himalayan Marmot.Conclusion The epidemic of animal plague in shiqu occurred constantly.