Top definition
The full name for a virus most commonly referred to Lyssa X or Rabies X. The ultimate rabies virus, with an incubation period of only a few days, rather than a few months. A member of the Lyssavirus Genus along with rabies, Lyssa X is a biohazard nightmare.
Lyssavirus X is a basic mutation of rabies that could easily wipe humanity off the face of the planet.
by Edward Stevens August 25, 2006
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