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1 江西星子县暴发急性血吸虫病的原因分析 (江西省星子县血吸虫病防治站 曹华年李奇仁 吴至省 刘世基) 星子县历年均有散在性的急性血吸虫病发生,但1987年大幅度增加,达266例,超过最高发病年份1970年的30.4％。现就1987年11月份暴发的146例的原因作简要分析。 在146例中,男性125例,女性21例;年龄4～66岁,以青少年最多,达103例(70.5％)。感染方式,捕捞鱼虾者为78.1％,戏水,洗澡为9.6％,放牧为7.5％,打湖草为2.7％,驾船为2.1％。感染地点,主要发生在15块草洲,尤以牧羊、东岸和马家湾3块草洲最多,达92例(63％)。这3块草洲位于居民点附近,人畜活动频繁,感染性钉螺密度分别为
1 Analysis of causes of outbreak of acute schistosomiasis in Xingzi County, Jiangxi Province (Jiangxi Province, China) Schistosomiasis prevention and control station in Jiangxi Province Cao Huazhong, Li Qiren, Wu Zhi Province, Liu Shiji) There are scattered acute schistosomiasis in Xingzi County over the years, but in 1987, there were 266 cases , Exceeding 30.4% of the highest incidence in 1970. The reasons for the outbreak of 146 cases in November 1987 are briefly analyzed. In 146 cases, 125 males and 21 females; aged 4 to 66 years, with the largest number of adolescents, up to 103 cases (70.5%). The infection pattern was 78.1% for fish and shrimp, 9.6% for bathing and bathing, 7.5% for grazing, 2.7% for playing lake and 2.1% for driving a boat. Infection sites occurred mainly in 15 grasslands, especially in Shepherd, East Coast and Majiawan, reaching 92 (63%). The three grassland is located near the settlements, frequent human and animal activities, infective snail density were