宁夏肾综合征出血热自然疫源地周边地区鼠类状况调查

Rodent Survey in Natural Foci of Hemorrhagic Fever with Renal Syndrome in Ningxia

目的了解宁夏肾综合征血热疫源地周边地区鼠类分布和感染状况,并对人群感染肾综合征出血热的危险性进行评估。方法采用描述性流行病学研究方法和免疫荧光检测方法,对宁夏自然疫源地周边地区鼠类构成、分布、密度和汉坦病毒感染情况进行了调查与检测。结果共捕获129只鼠,以小家鼠和黑线姬鼠为主,鼠总密度为1.7%。不同环境类型鼠密度差异有统计学意义(P<0.05)。不同环境类型鼠密度季节消长趋势不完全相同,鼠密度高峰主要集中在春、夏季,且均未携带汉坦病毒。结论宁夏肾综合征出血热自然疫源地周边地区存在传播出血热的媒介生物,但流行风险因素较低,应在农村自然村等重点环境开展综合防控工作。

Objective Investigate rodent distribution and infection status of hemorrhagic fever with renal syndrome and to assess the infectious risk of population. Methods By the method of descriptive epidemiology and immunofluorescence test methods,rat natural foci of ningxia neighborhood structure,distribution,density and hantavirus infection situation were investigated. Results 129 rats were captured and average rat density was 1. 7%. The house mouse（ 24. 8%） and apodemus agrarius were the major rats. The density of rodents rat density peak mainly concentrated in the spring and summer. All rats were not carrying the Hantaan virus.Conclusion rat density in haemorrhagic fever natural foci of Ningxia is high,there is the media of hemorrhagic fever,but the risk factors were low.