Children have been routinely immunized against polio since 1958.

自从1958 年来，儿童都按照常规接种防治小儿麻疫苗。

If vaccinal measles vaccine can prevent hives, take a poliomyelitis tervalent mixture vaccine can prevent a poliomyelitis to wait.

如接种麻疹疫苗能预防麻疹，服脊髓质炎三价混合疫苗能预防小儿麻等。