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  • Cities such as the dwarven town Ironforge and wow gold classic orc city Orgrimmar were overrun in hours. Non-playable characters, who couldn't die due to special coding, would also capture the consequence, meaning any participant that passed by them may receive Corrupted Blood.

    Once word got out, players searched frantically for information about what was happening.

    "The world chat would explode any time a town fell," says Nadia Heller, an ex-World of Warcraft player whose persona lived through the episode. "We kept a close attention not just on our guild chat but on earth chat as well to see where not to proceed. We did not need to catch it."

    The spread of Corrupted Blood, and also the participant's behavioral changes to it, caught the attention of epidemiologist Dr. Nina Fefferman, who was a World of Warcraft player at the time of buy classic gold wow the incident. In 2007, the two published a paper that detailed their findings, including complicated models of individual behaviour in a pandemic. Fefferman says the incident has helped inform her current research into predictive modeling around covid-19.