Microsoft co-founder Bill Gates on Tuesday warned that international authorities, including the World Health Organization, need to take action against the threat posed by bioterrorism and said “germ games” is the best way to prevent it. “It’ll take probably about a billion a year for a pandemic Task Force at the WHO level, which is doing the surveillance and actually doing what I call ‘germ games’ where you practice,” Gates during an interview with the chair of the Health Select Committee, Jeremy Hunt, for the think tank Policy Exchange, according to Sky News. Germ games are when government agencies and militaries practice scenarios of a pandemic. Gates then asked: “You say, OK, what if a bioterrorist brought smallpox to 10 airports? You know, how would the world respond to that?” The world’s fourth-richest noted that to prepare for a doomsday scenario, the United States and United Kingdom would have to spend “tens of …