Now who would want to plant a virus on an innocent automatic sidewalk? Probably someone quite lazy, who doesn't enjoy walking, but can not fit on the moving sidewalk, because he is too fat. Probably someone like this guy.
At Syracuse University, we are at particular risk, because virus and worm writers are more likely to be in countries with university computer science programs. Lucky for us, we have one of the best technology schools in the country. HOORAY!
They are also more likely to occur in economically depressed areas. Have you seen most of Syracuse? It looks like the Elephant Graveyard in the Lion King. For those of you who don't get that reference, please rent the Lion King, it will tug at your heartstrings.
The best way to prevent one of these things: avoid them when you see the warning signs. If they describe some ridiculous medical condition, do not open the e-mail, also do not download programs that you do not buy. If you are downloading it off the internet, it probably should not be trusted. These are ways to avoid viruses. It's a scary world out there, and you have to make sure that you protect yourself, or else you might the Clap...er... um... Malware. Yeah, Malware.