AIDS has been called the "global epidemic." But the number of carriers of that virus is, as the Chinese saying has it, merely a "small witch in the face of a powerful witch" compared to the number of "carriers" of computer viruses.
愛滋病號稱「世紀之毒」，它的全球病毒帶原數目比起電腦病毒「帶原者」卻是「小巫見大巫」。