A drastic change from pneumococcal infections of the past when a teaspoon of pink medicine twice a day did the trick.

与过去肺炎球菌感染相比，一天两次一茶匙的粉红色药物就能起作用。

The vaccines currently in use for children against pneumococcal bacterial infections are made using this technique.

目前用于儿童的肺炎球菌细菌感染疫苗就是使用这种技术制成的。