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目的 了解广西 2 0 0 0年发生鼠疫暴发流行的特征 ,初步分析流行原因。方法 以普查、医学观察和追踪调查相结合对人群进行调查 ,用 IHA(间接血凝法 ,Indirect hem agglutination assay,IHA)法测定鼠疫 FI抗体 ,按国家鼠疫诊断标准诊断病人。结果 疫情波及天生桥库区周围 2个乡镇 15个自然屯或单位 ,发生腺型鼠疫病人 4 2例 ,发病率为 1.10 % ,隐性感染率 2 .78% ,第 2代发病率 2 .76 %。流行时间为 3～ 10月。人间鼠疫发病年龄以青少年多见。结论 疫点分布于天生桥库区周围 ,库区鼠、蚤密度增高 ,外来性传入是隆林县鼠疫流行的直接原因
Objective To understand the epidemic characteristics of plague outbreak in Guangxi in 2000 and to analyze the causes of the epidemic. Methods The population was investigated by census, medical observation and follow - up investigation. FI antibody was determined by IHA (indirect hemagglutination assay, IHA) method and the patients were diagnosed according to the national diagnostic criteria for plague. Results The epidemic affected 15 natural villages or two villages and towns around Tianshengqiao reservoir area. There were 42 cases of glandular plague patients with the incidence rate of 1.10%, the latent infection rate of 2.78% and the incidence of the second generation of 2.76% . Popular time for 3 to 10 months. The onset of human plague in adolescents and more common. Conclusion The epidemic spots were distributed around the Tianshengqiao reservoir area. The density of rats and fleas in the reservoir area increased. The introduction of extraneous sex was the direct cause of plague epidemics in Longlin County