弓形虫感染系全球性分布，是常见的严重人兽共患寄生虫病。Holliman等（1997）报告，估计现受感染者占世界人口的四分之一以上。虽免疫正常的感染者一般可无症状，在免疫抑制者，则成为致命性机会感染；而先天性弓形虫感染对优生优育产生的危害性，直接影响人口素质，正引起人 Toxoplasma gondii infection is a global distribution, is a common serious zoonotic parasitic disease. According to the Holliman et al. (1997) report, it is estimated that currently infected people account for more than a quarter of the world’s population. Although immunocompromised patients can generally be asymptomatic in immunosuppression, it becomes a fatal opportunistic infections; and congenital Toxoplasma gondii infection of prenatal and postnatal care have a direct impact on the quality of population, is causing people