如果这种病毒能够通过空气传播，或者如果一名感染者在不知情的情况下进入了人口密集的地区，那么埃博拉可能已经成为一种全球流行病。
If the virus had been capable of spreading through the air, or if one infected person had unknowingly entered a large population center, Ebola might have become a worldwide epidemic.
但很多专家担心人们将变得过于自得，以至于如果病毒以一种更危险的方式在秋天卷土重来，人们未能注意到警报。
But many experts worry that people will become too complacent and fail to heed warnings if the virus returns in a more dangerous form in the autumn.
它是一种通过空气传染的出血性狂热病毒，如果以后有人类再度踏上潘多拉而带回地球的话，将导致人类灭种。
A flesheating virus from Hell. If it gets back to Earth as a result of future expeditions here, the whole human race will die screaming.
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