医科大学生消化道蠕虫感染情况五年观察

Five-year Investigation on Infection of Helminth Parasitizing Alimentary Tract in Medical Students

目的了解广州在校医科大学生消化道蠕虫的感染情况。方法采用直接涂片法和饱和盐水浮聚法进行粪便检查,以在显微镜下查到虫卵为阳性。结果共检查2642人,消化道蠕虫阳性者20人,总感染率约为0.76%。共查出蛔虫、钩虫、鞭虫和肝吸虫4种消化道蠕虫,其感染率分别为0.30%、0.19%、0.23%和0.11%。上述消化道蠕虫的感染率在男女学生间以及在来自于城市和农村的学生间均无明显差异。结论目前广州在校医科大学生消化道蠕虫的感染率和感染度均处于较低水平。

Objective To investigate the infection condition of helminth parasitizing alimentary tract in medical stu dents. Methods To find helminth eggs, the feces of the students were examined with direct smears and saturation solution of NaCl floatation methods. Results Among 2,642 students, 20 had helminth infection in alimentary tract, with total infec tion rate of 0：76%. Infective rates of roundworm,, hookworm, whipworm and Clonorchis sinensis of the students were 0：30 %, 0.19 %, 0.23 %, and 0.11% respectively. There showed no statistical difference in infection rate of the worms between male and female students, and between students from city and ones from countryside, Conclusions Both infection rate and in fectiosity of helminth from alimentary tract among medical students in Guangzhou City are at a level of quite low now.