血吸虫病是一种广泛流行于热带农村地区的传染疾病,全世界约有74个国家共2亿人口受到感染,由此所造成的社会后果和经济损失仅次于疟疾的危害。血吸虫病以感染的钉螺作为中间宿主,人接触有钉螺的水源即感染得病。根据虫卵寄生的部位和病症,血吸虫病主要分为曼氏、日本和埃及血吸虫病。前两者感染于人体的肝、肠和肺,后者则感染于膀胱和尿道。患者 Schistosomiasis is a contagious disease that is prevalent in tropical rural areas and infects a total of 200 million people in about 74 countries worldwide, with the consequent social consequences and economic damage posed by malaria. Schistosomiasis infected snails as an intermediate host, human contact with snails water that is infected with the disease. According to the site and disease parasitic eggs, schistosomiasis is mainly divided into Man’s, Japan and Egypt schistosomiasis. The first two are infected in the body’s liver, intestine and lung, while the latter is infected in the bladder and urethra. patient