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目的分析2000～2008年那曲地区动物间鼠疫流行特征。方法对2000～2008年鼠疫疫情监测资料进行描述性分析。结果 2000～2008年那曲地区共调查6 490.52 hm2,见獭1 140只,平均旱獭密度为0.18只/hm2,发生一起人间鼠疫,发病1人,死亡1人,5个年度有动物间鼠疫的发生,分离鼠疫菌13株,判定阳性血清170份,最高滴度为1∶2 560(++)。结论那曲地区目前已知鼠疫自然疫源地中动物间鼠疫流行态势总体呈较平稳状态,特别是老的疫源地尤为明显,同时出现了老的疫源地周边地区,过去尚未进行过调查地区的动物间鼠疫疫情呈现出较活跃的态势。
Objective To analyze the epidemiological characteristics of plague in Naqu area from 2000 to 2008. Methods A descriptive analysis of the plague epidemic surveillance data from 2000 to 2008 was conducted. Results A total of 6 490.52 hm2 were observed in Naqu from 2000 to 2008, including 140 individuals of otter. The average density of marmot was 0.18 / hm2. One human plague occurred in the area of Nagqu from 2000 to 2008. The incidence was 1, and 1 person died. There were five animal plague occurrences , 13 strains of Yersinia pestis were isolated and 170 were positive. The highest titer was 1: 5606 (++). Conclusions The prevalence of plague in the plague natural foci of the plague now generally known to be relatively stable in Naqu Prefecture, especially in the old foci of endemic areas. In the meantime, the area around the old foci of endemic areas has not yet been surveyed Of the animal plague epidemic showing more active situation.