S.T.A.G.E. on 18 March 2013
....it will be fungus that spreads when the earth tries to reclaim itself and infects humans and how they spread and what you must do to survive. Also how it affects each character in the story. Naughty Dog....this is why you might stay on top for a very, very long time.
http://www.gamespot.com/news/the-last-of-us-spans-12-16-hours-6405488
