大约12年前，这些病毒进化重组形成新的病毒，这种病毒对人的伤害更快速，使得流感病毒的检测更加重要。

And about 12 years ago, those viruses began evolving and recombining into new forms that could sicken humans much faster than before, making monitoring a bigger priority.

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我们目睹了全球性传染病横扫世界，我们要在这些病毒夺取更多人的生命前关闭这些病毒厂。

As we witness a global pandemic washing across the world, we need to shut down these virus factories - before they shut down even more human lives.

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例如，HIV是在100年前从猴免疫缺陷病毒，或叫SIV的黑猩猩病毒演化而来。

H.I.V. evolved about a century ago from a chimpanzee virus known as simian immunodeficiency virus, or S.I.V..

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