牛瘟可以通过空气和被含有病毒的动物粪便污染了的水来传播。
Rinderpest can spread quickly through the air and in water containing waste from animals with the virus.
然而，当雪貂被分开时，病毒只能存在于空气中悬浮的由呼吸产生的液滴中，因此流感也就不能有效传播。
However, when ferrets were kept separate and the virus could spread only through airborne respiratory droplets, the illness spread much less effectively.
然而，当雪貂被分开时，病毒只能存在于空气中悬浮的由呼吸产生的液滴中，因此流感也就不能有效传播。
However, when ferrets were kept separate and the virus could spread only through airborne respiratory droplets, the illness spread much less effectively.
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