弓形虫病是一种由刚地弓形虫(Toxoplasmagondii)引起的人兽共患机会性寄生虫病,对人类健康和畜牧业生产造成威胁。疫苗是防治弓形虫病有效手段之一,弓形虫病疫苗研制经历了下列发展阶段:1 全虫疫苗,包括死疫苗、弱毒活疫苗和减毒活疫苗;2 虫体特异组分疫苗;3 基因工程疫苗;4 Toxoplasmosis is a zoonotic opportunistic parasitic disease caused by Toxoplasma gondii, posing a threat to human health and livestock production. Vaccines are one of the effective measures to prevent and control toxoplasmosis. Toxoplasmosis vaccine has undergone the following stages of development: 1 All-insect vaccine, including dead vaccine, attenuated live vaccine and live attenuated vaccine; 2 Insect-specific vaccine; 3 Gene Engineering vaccine; 4