盐源县肾综合征出血热宿主动物10年监测分析

Analysis on the 10-year monitoring of hosts of hemorrhagic fever with renal syndrome in Yanyuan

目的了解高海拔地区肾综合征出血热(HFRS)宿主动物特点,确定疫源地类型,分析该病的流行特点,为防治提供科学依据。方法采用铁板鼠夹,花生米作诱饵,晚放晨收,开展室内外监测。收集鼠肺和鼠血,用间接免疫荧光法检测鼠肺中抗原和鼠血中抗体。结果 10年共投放鼠夹40480夹次,捕鼠4621只,隶属2目3科7属8种。主要带病毒鼠有褐家鼠、黄胸鼠、小家鼠、川西白腹鼠,室内捕捉的高山姬鼠。结论盐源县目前仍为家鼠型HFRS疫区,宿主动物种类多且复杂;川西白腹鼠为高海拔HFRS宿主动物之一。

Objective To investigate the characteristics of the hosts of hemorrhagic fever with renal syndrome （HFRS） at high altitude and determine the types of natural focus and epidemiological patterns. Methods In and out-door monitoring was performed with iron rat traps and nut baits deployed in the evening and collected in the morning. Rat blood and lungs were collected for indirect immunofluorescent detection of related antigens and antibodies. Results A total of 40 480 deployments in the 10 years resulted in 4621 collected rats that belonged to 8 species, 7 genera, 3 families and 2 orders. Most carriers were Rattus norvegicus, R. tanezumi, Mus musculus, Niviventer excelsior, and Apodemus chevrieri. Conclusion Yanyuan county was a HFRS-prelevant area with multiple species of host animals. N. excelsior was one of the host animal at high altitude.