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Mike Duclos sets up two disinfecting 'robots,' machines that vaporize... News PhotoBaltimore - Maryland,Disinfection,Filling,Healthcare And Medicine,Horizontal,Hydrogen,Machinery,Maryland - State,Robot,USAPhotographer Collection: Tribune News Service 2013 MCTMike Duclos sets up two disinfecting 'robots,' machines that vaporize hydrogen peroxide to fill sealed rooms and disinfect all sufaces at Johns Hopkins hospital in Baltimore, Maryland, on December 26, 2012. (Algerina Perna/Baltimore Sun/MCT via Getty Images)