广州市郊区人体肠道原虫感染情况的调查

按全国人体寄生虫分布调查实施细则的要求和方法,对广州市郊番禺县的沙圩、沙角、陇二、沙头及花县的讴村、大东、草弄、大华等8点进行调查。共检查4265人,其中肠道原虫感染者345例,其感染率为8.1％。男、女感染率分别为7％和9％。年龄为1-85岁。小于5岁者、5—39岁和40岁、以上年龄组的感染率依次为3.7％、4.3—9.5％和11.5—30.2％。本 次查见原虫6种,其感染率如下:贾第虫为2.9％,结肠内阿米巴为2.5％,哈氏内阿米巴为1.6％,微小内蜒阿米巴为0.8％,溶组织内阿米巴为0.4％和布氏嗜碘阿尔巴0.05％。

INVESTIGATION OF HUMAN INTESTINAL PROTOZOA IN THE SUBURBS OF GUANGZHOU

An investigation of human intestitoal protozoa was carried out by stool examination in 8 villages via random sampling from two counties ia the suburbs of Guangzhou. Out of 4 265 inhabitants examined, 346 (8.1%) were found to be infected with protozoa. The infection rate of females was 9%, which was higher than that of the males (7%). The prevalence had a tendency to increase with age, showing 3.7% for under 6, 4.3-9.5% for 6-39, and 11.6-30.2% for over 40 years of age. Six species of intestinal protozoa were detected from, these villages, including: Giardia lamblia (2.9%), Enta-moeba coli (2.6%), Entamoeba hartmanni (1.6%), Endolimax. nana (0.8%), Enta-moeba histolytica (0.4%) and lodamoeba buetschlii (0.06%).