颗粒，特别是PM 2.5已经显示致病能力。
Particulates, especially PM2.5's, have been shown to cause disease.
这样的结果是一种病毒在免疫外观上变得显著不同，有时能从其一个母代中获得致病能力。
The result is a virus dramatically different in immunological appearance, and sometimes in disease-causing capability, from either parent.
令人惊奇的是，Nickerson和他的团队研究发现低流体剪切力的环境与特定人类病原体的致病能力之间存在着一定的相关性。
Intriguingly, experimental research carried out by Nickerson and her team has implicated low-fluid shear environments in regulating the infectious disease potential of certain human pathogens.
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