The second most deadly virus known. Very contagious. Transfered through air, water, food and contact. Transfer via sexual relations is unknown, due to lack of field data (please contact Nerd-Quarters Worldwide
if you have such data).
Side effects include: other individuals not understanding your conversation, inexplicable increases/decreases in IQ level, failing eyesight, intense urges for cheetos, calcium loss in bones, sudden loss of interest in sexual relations, mario theme appreciation, nosebleeds, sudden death by bludgeoning, sword, or computer case shock.
Bob: "uh oh. looks like poor Billy has caught the nerd virus"
John: "Tch Tch, well looks like there is no other way. Take him out back and put him down Bob. Here use my sword."