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A virus causes chickenpox , so the doctor won 't prescribe antibiotics .

由病毒引发的水痘，医生不会开抗生素。

Chickenpox is a common illness among kids , particularly those under age 12 .

水痘是儿童中的一种常见疾病，特别易发生在年龄在12岁以下的儿童。

The antiviral medicine acyclovir may be prescribed for people with chickenpox who are at risk for complications .

对于那些患有水痘且有引发并发症风险的人，可能需要开抗病毒药物阿昔洛韦。

If taking your child to the doctor , let the office know in advance that your child might have chickenpox .

如果带你的小孩去看医生，最好提前让医生知道你的小孩也许患上了水痘。

Healthy kids who have had chickenpox do not need the vaccine - they usually have lifelong protection against the illness .

已患过水痘的健康小孩不必接种疫苗-----通常，他们终身受到对抗此疾病的保护。