眼下，由这种病毒造成的死亡人数明显不高，多少减轻了人们的一些恐慌。
For now, the virus' apparently low death toll has assuaged some fears.
创建的多种原因之一是保护这里的大猩猩免受致命的埃博拉传染病毒的侵袭，这种病毒造成了中部非洲的大猩猩数目锐减。
One of many reasons for its creation was to protect the gorillas from deadly Ebola epidemics that have wiped out other great ape populations in Central Africa.
然而，这种病毒对幸存的兔子后代致命性更低，多年来造成的伤害也越来越小。
The virus was less deadly to the offspring of surviving rabbits, however, and it caused less and less harm over the years.
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