弓形体感染在我国普遍存在 ,各地感染率报道不一。为摸清我沿海地区部分特殊人群及正常人群弓形体感染情况 ,我们于 1996年 7月至 1997年 10月进行了血清学调查。材料和方法　 (1)标本来源 :选择几个县、市区的不同人群静脉采血 2ｍｌ,分离血清 ,- 2 0℃冰箱保存 ,于 2周内检测 Toxoplasma infection is widespread in China, and infection rates have been reported in different areas. In order to understand the toxoplasma infection in some special populations and normal people in our coastal areas, we conducted a serological survey from July 1996 to October 1997. Materials and methods (1) Specimen source: Select 2 ml of blood from different populations in several counties and urban areas to separate serum, and store at -20°C in refrigerator for detection within 2 weeks.