当蚊子从某人身上吸血时，它不会注入之前被叮咬过的人的血液。
When taking blood from someone, mosquitoes do not inject blood from any previous person.
狂犬病病毒在奔向大脑的时候在神经细胞间跳跃前行， 这就是为什么即使在踝部一个被感染动物咬过的伤口最终会导致某人死亡的原因。
Rabies hops between nerve cells as it races to the brain, which is why even an infected bite on the ankle will eventually drive someone mad.
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