It appears that Hank may have become infected with a virus that originated from his computer. If so, this would represent the first instance of a computer virus capable of acting on a biological host. It has been speculated [mostly by me in an IM] that this could be the result of a biological weapons test. Hank seems to be at a complete loss to explain this virus' origins.
Given the amount of time Hank spends connected to the internet, he is clearly at higher risk than most for such infections, so despite the normal precautions to ensure the computer system doesn't get "infected", apparently no such precautions were in place to protect Hank, himself.
It appears that this computer virus produces many symptoms similar to that normally experienced by viruses of biological origin. Apparently like many foods tend to "taste like chicken", this virus appears to cause "cold-like" symptoms.
In any case, it is clear that we may well be seeing the advent of a completely new mode of disease transmission and I expect that we may dub it the "Science 2.0" virus, when it has been verified.
Of course, I could be wrong.
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(1) http://video.foxnews.com/v/4217995/catching-a-computer-cold
