I'm just going to nitpick a little here - I don't think Typhoid Mary is a good analogy. She had a single communicable disease and was asymptomatic. This does no

I'm just going to nitpick a little here - I don't think Typhoid Mary is a good analogy. She had a single communicable disease and was asymptomatic. This does not describe the computers of people who blindly click stuff. Incidentally, are there any common computer viruses these days that are spread by "contact"? Perhaps it's my biased perspective as a Linux user, but I was under the impression that despite people's tendency to blame "a virus" as a way to avoid responsibility, modern malware typically requires one to download and run something. Stuxnet is the only "virulent" example I can think of, and that wasn't exactly typical software.