Computer viruses act like biologics in the way they can be set off: they can be virulent from the outset of the infection or they can be activated by a specific event (logic bomb).

• 计算机病毒的传播行为与生物病毒极其相似：它们可能从开始感染时就是致命的，可以被某些特定的事件所引发（逻辑炸弹）。