Viruses love bats. The flying nocturnal mammals make outstanding hosts because — just like people — they live in large, dense groups, their air travel spreads germs between populations and their longevity enables a virus to persist for years in an individual animal.
病毒喜歡蝙蝠。這種會飛的夜行哺乳動物是出色的寄主,因為幾個原因:它們像人類一樣生活在龐大、密集的種群中;它們飛行時會將病原體傳播到不同種群中;它們長壽,使得病毒能夠在一只蝙蝠體內存活數年。
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