弓形体病亦名弓浆虫病(Toxoplasmosis),是一种人畜共患性疾病,广泛分布于世界各地。据国外流行病学调查,全世界约有5亿～10亿人有弓形体感染,在日本居民中感染率约为20～30%,在欧美一些地区人群中32%甚至84%抗体阳性。东南亚、非洲、拉美、苏联等图均有发生。我国最早于1955年在福建于家兔和猫体中分离出了弓形体,嗣后江西、福建、湖南、广西等省区相继有病例报告,北京、广东、陕西、云南、台湾等省也发现少数患者或动物宿主。最近北京热带病医学研究所调查了北京地区该病流行情况,经对97名疑似本病及正常人进行了弓形体素试验,平均抗体阳性率为11.3%。自1965年曹 Toxoplasmosis, also known as Toxoplasmosis, is a zoonotic disease that is widespread throughout the world. According to the epidemiological survey abroad, there are about 500 million to 1 billion people in the world with Toxoplasma gondii infection. The infection rate among Japanese residents is about 20-30%. In some areas of Europe and the United States, 32% or 84% are positive. Southeast Asia, Africa, Latin America, the Soviet Union and other plans have occurred. China first isolated the Toxoplasmosis in rabbits and cats in Fujian Province in 1955, and subsequently successively reported cases in Jiangxi, Fujian, Hunan and Guangxi provinces. A few were also found in provinces such as Beijing, Guangdong, Shaanxi, Yunnan and Taiwan Patient or animal host. Recently, Beijing Institute of Tropical Diseases investigated the prevalence of the disease in Beijing. After testing for the presence of 97 patients suspected of having this disease and normal controls, the average antibody positive rate was 11.3%. Since 1965 Cao