Children are still dying in their millions from preventable diseases.

仍有数以百万计的儿童死于可预防的病。

A pedigree pup should have been inoculated against serious diseases before it’s sold.

纯狗应该在出售前注射预防严重病的针。

Vaccinations ensure one against diseases.

苗可以预防病。

Experts said that antemarital examination, pregnancy testing and prenatal care is the prevention of disease, birth of the three lines of defense.

专家称，婚、和产前查是预防病、优生优育的三道防线。