As everyone knows all computers can get any virus written for any computer anywhere, just by plugging a modem into your computer you are exposing every computer that are in the same buildign as you, or that you touch, to the risk of computer viruses
Fortunately many of these viruses are well known about and you can take steps to protect yourself and your computers. To help you with that task here are warning messages about soome of the worst viruses currently known on the internet