[Name] Corrupted Blood [Source] World of Warcraft [Symptoms] 
Initially contracted from fighting Hakkar, the God of Blood, in the dungeon of Zul'Gurub. Highly infectious, with an incubation period of 2 seconds and can infect any person in the immediate area. Referred to players as "the Plague", "Hakkar's SARS" or "WoW AIDS" for a major outbreak of the virtual plague in the game due to a design oversight.