某连守机一班6名女战士在12天内相继出现外阴奇痒、阴道分泌物增多等症状,经流行病学调查和实验室检验,确诊为一起滴虫性阴道炎流行。现将调查结果报告如下。(一)发病情况该连共有女战士19人,分三个班,每班各居一寝室。1990年8月9日,一班2名女战士因外阴奇痒、阴道分泌物增多,伴尿频而就诊,经检查确诊为 A convoy of a class 6 warriors in the 12 days have been genital itching, vaginal discharge and other symptoms, epidemiological investigation and laboratory tests, diagnosed with trichomonas vaginitis epidemic. The survey results are reported below. (A) the incidence of the company a total of 19 female warriors, divided into three classes, each class in a dormitory. August 9, 1990, a group of two female warriors due to genital itching, vaginal discharge increased, with frequent urination and treatment, diagnosed by examination