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水痘疫苗必须注射吗?我女儿1周岁,可以注射水痘疫苗吗?/我的孩子已经接种过水痘疫苗,可最近班里有同学得了水痘,是否还需要再接种?
Should my chickenpox vaccine be injected? My daughter, who is 1 year old, can get a chickenpox vaccine? / My child has been vaccinated against chickenpox. Can someone from a recent class have had chickenpox or not?