bruce ribner, the unit's founder and director, gave me a tour., if there were a patient in there you would then have to have one of those full protective suits on? >> precisely. >> reporter: so this is where kent brantly -- >> this is where kent brantly spent approximately three weeks. >> reporter: can i touch something in here? >> absolutely. >> reporter: okay. >> this room has been completely sanitized -- >> reporter: okay. >> -- since kent left. >> so everything we're doing, we're watching each other for safety. >> reporter: nurse jill morgan showed us the tedious but critical steps the team took to help each other suit up before crossing the red line that marks the hot zone. >> and you can see it's quite a production. >> reporter: it was in one of those suits that she held out her hand to kent when he arrived at the unit. >> when he came in he was very sick. i think the morning or two before that he thought that he probably was going to die soon. >> reporter: she'd written a message for him on this board from the team. >> i said, welcome home