Seven-year-old Sierra Jane Downing from Pagosa Springs, Colo., looks on while surrounded by the medical staff and parents Sean and Darcy Downing during a news conference talking about her recovery from Bubonic Plague at the Rocky Mountain Hospital for Children at Presbyterian/St. Luke's Wednesday, Sept. 5, 2012, in Denver. It is believed Downing caught the Bubonic Plague from burying a dead squirrel. (AP Photo/Jack Dempsey)
