在这304名病人中，21位（7%）在其粪便中发现存在胡椒轻微斑点病毒的病人，与其他病人相比，更可能出现上述症状。
Of the 304 patients, the 21 peoplewith pepper mild mottle virus in their feces were more likely than theothers to present those symptoms.
在我们的周围可以看到无数活生生的进化的例子，从适应污染的胡椒蛾到快速变异的病毒如HIV和H5N1禽流感病毒。
Innumerable examples of evolution in action can be seen all around us, from the pollution-matching pepper moth to fast-changing viruses such as HIV and H5N1 bird flu.
在我们的周围可以看到无数活生生的进化的例子，从适应污染的胡椒蛾到快速变异的病毒如HIV和H5N1禽流感病毒。
Innumerable examples of evolution in action can be seen all around us, from the pollution-matching pepper moth to fast-changing viruses such as HIV and H5N1 bird flu.
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