living vaccine

• 活疫苗

living vaccine的用法和样例：

例句

1. 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。
2. Influenza may be prevented by active immunization with a polyvalent killed or subunit vaccine.
   可以通过主动免疫接种多价灭活疫苗或亚单位疫苗预防流感。