The test proved that the polyvalent inactivity vaccine is safe and effective. 试验证明，该多价灭活疫苗安全性好，免疫效果确实。
ObjectiveTo investigate the feasibility of producing HAV and inactivated vaccine with cells cultured on microcarriers. 目的探索微载体培养细胞大量制备甲肝病毒抗原及其灭活疫苗的可行性。
