Swine flu (a.k.a. pig AIDS, burrito blight, or enchiladapocalypse) is permabanning everyone from IRL, just like bird flu was doing from 2004 to 2008, SARS did in 2003, and swine flu 1.0 did in the 1970s. Many current media reports are saying that the US Government did it for the lulz.
Swine Flu according to Enyclopedia Dramatica