A study in the journal Science suggests that for bdelloid rotifers, the answer is blowing in the wind.
《科学》杂志上刊登的一项研究表明，蛭形轮虫的解决办法是——吹吹风。
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Just as three sorts of body lice, specialised to be able to grasp different sorts of hair, live on humans, so water lice are host to two sorts of bdelloid.
And they found that bdelloid rotifers can shake the infection by drying out, drifting away and then rehydrating once they land someplace moist but fungus-free.