牧区寄宿小学生头虱寄生情况调查罗布（青海省河南蒙古族自治县卫生防疫站，８１１５００）头虱是一种古老的人类体外寄生虫，在儿童中寄生甚广。为了解我县牧区寄宿小学生染虱情况，１９９７年我们对３所寄宿小学进行了调查，现将结果报告如下。１对象与方法选择我县６所... Survey of parasitic status of head lice in pastoral boarding school Luo Bu (Health and Anti-Epidemic Station, Henan Mongolian Autonomous County, Qinghai Province, 811500) Head louse is an ancient human ectoparasitoid with a large parasitic population in children. In order to understand the situation of lice infestation in our county pastoral boarding primary school, we conducted a survey on three boarding primary schools in 1997 and the results are reported as follows. 1 objects and methods to choose my county 6 ...