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.
互联网
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.
互联网