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螨虫.学名蠕形螨,又称毛囊虫,是寄生在哺乳动物毛囊及皮脂腺的一种小型寄生螨类。目前已知的种和亚种有134种,但是寄生在人体的仅有2种,即毛囊蠕形螨和皮脂蠕形螨。谢禾秀等学者发现,在我国,寄生于人体的毛囊蠕形螨的形态特征不同于国外的报道,因此定名为毛囊蠕形螨中华亚种。人体蠕形螨呈世界性分布。国外有人报告人群感染率为27%-100%。我国至1987年底已有22个省市作了人群感染率的流行病学调查,证实我国人群普遍存在着蠕形螨的感染。我国各地健康人群蠕形螨总感染率为31.54%,但各地报告的人群感染率差
Mites. Demodex mite, also known as trichomoniasis, is parasitic in mammalian hair follicles and sebaceous glands of a small parasitic mites. At present, there are 134 species and subspecies known, but only two parasitic on the human body, namely Demodex folliculorum and Demodex Demodex. Xie Woxiu and other scholars found that in our country, the morphological characteristics of hair follicles parasitic on the human body is different from the reports of foreign countries, so named for hair follicles Demodex mites subspecies. Human demodex mites are worldwide distribution. Some people abroad reported population infection rate of 27% -100%. At the end of 1987, epidemiological investigation on population infection rate in 22 provinces and cities in China confirmed that there is a widespread infection of Demodex in our population. The prevalence of Demodex in healthy people in all parts of China was 31.54%, but the prevalence of reported population in different places was low