沙眼衣原体(Chlamydia trachomatis,Ct)是一类严格寄生于真核细胞内的原核细胞型微生物,是沙眼和性传播疾病中最常见的病原体。据统计,全世界每年有5亿人患沙眼,其中700～900万人失明,沙眼是引起失明最重要的原因之一。沙眼衣原体另外一个重要的危害是它还引起泌尿生殖道感染,并通过性接触传播,是性病中最多见的病原体,可引起男性尿道炎、附睾炎,女性宫颈炎、盆腔炎,不育等,更可引起新生儿的结膜炎、肺炎,影响下一代的健康, Chlamydia trachomatis (Ct) is a group of prokaryotic cells that are strictly parasitic in eukaryotic cells and are the most common pathogens of trachoma and sexually transmitted diseases. According to statistics, there are 500 million people suffering from trachoma each year in the world, of which 700-9 million people are blind. Trachoma is one of the most important causes of blindness. Chlamydia trachomatis another important harm is that it also causes genitourinary tract infections and spread through sexual contact, is the most common pathogens in STD can cause male urethritis, epididymitis, female cervicitis, pelvic inflammatory disease, infertility, etc., More can cause neonatal conjunctivitis, pneumonia, affect the health of the next generation,