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南坪县通过灭犬,1979～1982年间没有黑热病病例发生,1983年又出现病例,到1991年共发生118例,全县已有12个乡镇的几十个疫点流行,分布于海拔1680米以下,家犬感染率也比较高,严重威胁着人民的身体健康。为了进一步探讨黑热病的流行规律,采取有效的防治措施,现对9年来的黑热病发病情况进行流行病学分析。一、流行情况及特征1.发病情况:根据1983～1991年疫情报告统计,9年共发生黑热病118例,年均发病率为26.18/10万,死亡3例,病死率为2.54%。
In Nanping County, no cases of kala-azar disease occurred between 1979 and 1982, and cases occurred again in 1983. A total of 118 cases occurred in 1991. There are dozens of epidemic areas in 12 towns across the county, distributing at 1,680 meters above sea level The following, domestic dogs infection rate is relatively high, a serious threat to people’s health. In order to further explore the epidemic law of kala-azar and take effective prevention and control measures, epidemiological analysis of the incidence of kala-azar disease over the past nine years is under way. I. Prevalence and Characteristics 1. Incidence: According to the statistics of epidemic situation from 1983 to 1991, there were 118 cases of kala-azar in 9 years, with an average annual incidence of 26.18 / 100 000 and 3 deaths with a mortality rate of 2.54%.