Children have been routinely immunized against polio since 1958.

自从1958 年以来，儿童都按照常规接种防治小儿麻痹症的疫苗。

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，服三价混合疫苗能预防小儿麻痹症等。