The virus mutates in the carrier's body.

病毒会在携带者体内发生变异。

辞典例句

In the worst - case scenario, UV light mutates DNA, leading to premature aging or skin cancer.

在最差的情况下, 紫外线能使DNA发生突变, 于是导致提前老化或皮肤癌.

英汉非文学 - 生命科学 - 癌症与艾滋病

The virus mutates quickly and continuously to beat the immune system's target it.

病毒变异很快且继续攻击其作用的免疫系统.

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It also appears that swine flu mutates slowly, so annual jabs may not be needed.

而且猪流感变异缓慢, 人们不用每年都打针.

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