没有人知道下一场瘟疫将于何时或何处发生,也没有人知道它是会来自于一场自然灾害还是一场生物恐怖主义者的袭击。但它终将降临。下一场瘟疫有可能来自于一种新发现的感染体或者一个由旧细菌而产生的新的自然变异种。它甚至可能来自于某个实验室。或者下一场瘟疫有可能由一种已对标准抗菌素产生抗药性的细菌引起,进而大 No one knows when or where the next plague will occur. No one knows whether it will come from a natural disaster or a bioterrorist attack. But it will finally come. The next plague may have originated from a newly discovered infection or a new natural variation produced by old bacteria. It may even come from a laboratory. Or the next plague may be caused by a bacterium that has developed resistance to standard antibiotics.