immunizing

Children have been routinely immunized against polio since 1958.

自从1958 年以来，儿童都按照常规防治小儿麻痹症的苗。

Parents are advised to have their children immunized against diphtheria.

建议家长让孩子白喉苗。

Its safety and efficacy were tested and used to immunize the lactational and gestational bovines.

分别乳期和妊娠乳牛，收乳。

Vaccination immunizes people against smallpox.

牛痘能使人患天花。