毛首鞭形线虫(Trichuris trichura)简称鞭虫,主要寄生人体盲肠,引起鞭虫病(trichuiasis)。广泛分布于热带及温带地区;我国30省(市、区)均有,平均感染率18.79％,最高感染率66.700％,吉林省感染率较低。根据我室1988年5月～1994年10月的调查,共检查儿童1557人,鞭虫卵阳性仅4人,感染率为0.25％。 4例鞭虫感染,其中男童2人,女童2人,年龄9～13岁;均有腹痛、腹泻、喜卧等症状,身体较消瘦,其他不见异常。粪便检出鞭虫卵,才发现有鞭虫寄生。4童经常吃生菜及零食、喝生水,饭前便后不洗手,笔者认为由此食 Trichuris trichura short Trichuris trichura, mainly parasitic human cecal, causing trichuiasis (trichuiasis). It is widely distributed in tropical and temperate regions; 30 provinces (cities and districts) in our country have the average infection rate of 18.79% and the highest infection rate of 66.700%, while the infection rate of Jilin Province is relatively low. According to our room from May 1988 to October 1994 survey, a total of 1557 children were examined, whipworm eggs were only 4 positive, the infection rate was 0.25%. 4 cases of whipworm infection, including 2 boys and 2 girls, aged 9 to 13 years; have abdominal pain, diarrhea, hi lying on the other symptoms, the body weight loss, the other without exception. Excrement detected whipworm eggs, only to find whipworm parasites. 4 children often eat lettuce and snacks, drink raw water, wash their hands before and after the meal, I think from this meal