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明明打了某种疫苗,怎么孩子还是得病了?这样的困惑,你是否也有过?给孩子接种疫苗是为了避免孩子生病,可是,有些孩子却在接种了疫苗以后还是得了病,这是为什么?现在,就让我们一起来找找药效“打折”的原因吧。
Why did the child get sick? How confused did you ever have it? The vaccination of a child is to prevent the child from getting sick. However, some children are still sick after vaccination. Why? Now, let us work together to find the efficacy of “discount ” reason.