关键词: 三峡库区重庆段, 鼠疫监测

Abstract: Objective To monitor rodents and vector fleas in Three Gorges,to find plague earlier and take prevention and control measures immediately. Methods Use clamp-trap method to monitor rodent density in residential areas and out of side. Use cage-trap method to capture live rodents to extract serum for detecting F1 antibody. Hocus the living rodents and collect their parasitical fleas. Results 87 327 clamps were placed in 2005,of which 84 146 clamps were valid,1278 rodents were obtained,the total rodents density was 1.52%,and the density in room was 1.67%,which was higher than that of outside (1.41%). The dection of all serum for F1 antibody was negative. 326 of 4114 rodents were found infecting with flea. Total 853 fleas were collected,which needed further identification. The rate of rodents with fleas was 7.92%,total index of flea was 0.207. Conclusion There has been no plague in Three Gorges in Chongqing area.