Owing to high vaccine coverage, diseases such as diphtheria and poliomyelitis have virtually been eradicated and the incidence of other vaccine-preventable infectious diseases among children is relatively low.
Owing to high vaccine coverage, diseases such as diphtheria and poliomyelitis have virtually been eradicated and the incidence of other vaccine-preventable infectious diseases among children is relatively low.
由于儿童接受防疫注射的比率很高，因此，白喉和脊髓灰质炎已几乎绝迹，而儿童患上其他可预防传染病的个案也不多。