In 2005, a new virus caused a frightening pandemic n, with hundreds of thousands of deaths around the world. Travelers and pets spread this deadly virus in only a few hours, and it seemed unstoppable. Fortunately, the pandemic took place in a virtualworld, and those who died were avatars, not real people. The pandemic?A blood virus.The place? World ofWarcraft, an online computer game with over 6.5 million players at the the outbreak.