Date: 02/17/06 (Java Web)    Keywords: virus

Why do we use "virus" to describe malicious replicating computer programs? Most of these programs are very complicated and intelligent (comparatively), which resembles more like a bacteria than a virus. Viruses are very simple organisms, very unlike todays "computer viruses". We should really say bacterial and even fungal infections (hard and often dangerous to get rid [...]

Source: http://blog.taragana.com/index.php/archive/why-doesnt-computers-get-bacterial-infections/