为自己加油

（Imagine a virus that could travel like the flu-and kill like HIV.） One so small that it would be almost impossible to identify, let alone halt. Films like Outbreak play on ourfears ofa "killer virus" scenario, but those films are works of fiction, right?

假设有一种病毒能够像流感一样传播，而且像艾滋病毒一样致人于死命。