但很多专家担心人们将变得过于自得，以至于如果病毒以一种更危险的方式在秋天卷土重来，人们未能注意到警报。
But many experts worry that people will become too complacent and fail to heed warnings if the virus returns in a more dangerous form in the autumn.
但是，病毒知道他们的宿主- - -它们可以不被发现的侵入细胞，关掉警报系统，削弱细胞决定自身基因表达的权威。
But viruses know their hosts well-they can break into cells undetected, switch off alarm systems, and undermine the cell's authority in deciding which genes get expressed.
在某一时刻，点击其中一个在“皇家婚礼报道”搜索词条结果下的图片会把用户导向一个常见的病毒：计算机感染病毒的一种虚假警报。
At one point, clicking one of the images under "royal wedding coverage" led users to a common scam-bogus warnings of a computer infection.
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