The idea being if I find a pattern across multiple people's computers maybe all of those people are infected with the same kind of malware or virus or worm.

如果我从不同人的计算机中发现了一个模型,这就说明,所有那些人的计算机都感染了相同的,恶意软件，病毒或蠕虫。

哈佛公开课 - 计算机科学课程节选

They're all over each other sometimes and they can spread saliva or other fluids.

有时候他们会在一起追跑打闹,病毒和疫苗可以通过唾液或其它体液传播

耶鲁公开课 - 生物医学工程探索课程节选