疾病也是一个危机，正如过去曾经接触过的，都已经死于疾病的其他部落的成员一样，他们没有任何的疾病防御，从水痘到普通的感冒都一样。
Disease is also a risk, as members of tribal groups that have been contacted in the past have died of illnesses that they have no defence against, ranging from chicken pox to the common cold.
虽然没有普遍的生命威胁，但麻疹，腮腺炎，风疹和水痘都有严重的并发症。
Although not generally life-threatening, measles, mumps, rubella and chicken pox can all have serious complications.
我的其他孩子自然得的水痘，它一点都没有伤害到他们中的任何一个。
My other children caught chickenpox naturally and it never hurt any of them.
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