作为增强抵抗力最简单、有效的方法——为孩子注射疫苗已经成为妈妈们的养育必修课。不过,以前的妈妈们无须太多操心,大多数的疫苗都是计划之内,妈妈们只要照本宣科就不会有大的差错。但是现在,疫苗菜单越来越丰富,除了规定的计划内疫苗,还有不少计划之外的新项目,需要妈妈们酌情选择。选择题往往看看简单做做难,妈妈们还需要了解一点基础知识,听听专家的建议,才能决定如何选择计划外疫苗。 As the easiest and most effective way to increase immunity - injecting a vaccine for a child has become a compulsory course for mothers. However, the previous mothers do not have to worry too much about most of the vaccines are planned, mothers as long as the scriptures will not be a big mistake. But now, the vaccine menu is getting richer and richer. In addition to the planned planned vaccines, there are many new projects beyond the plan that mothers should choose at their discretion. Multiple-choice questions often look simple to do difficult, mothers also need to understand a little bit of basic knowledge, listen to expert advice, to decide how to choose an unplanned vaccine.