Toxoplasmosis is caused by Toxoplasma gondii, an obligatory endoparasite.It has resulted in a worldwide epidemic,which seriously threats the health of human being.

• 弓形虫是一种专性细胞内寄生原虫,由其引起的弓形虫病在全世界范围内广泛的流行,严重地威胁了人类的健康。