CNN CNNI Simulcast December 27, 2014 10:46:00
About safety at the center for disease control and how to fight ebola. this happened after a mistake may have exposed a technician to ebola. joe johns reports, it is the latest development in the struggle to handle and study lethal viruses and bacteria while fighting them at the same time. >> reporter: a potentially deadly mistake at the u.s. institution that handles some of the most dangerous biological materials. the center for disease and control says the ebola virus was transferred from a secure lab to a lab not equipped to handle the virus. so far, no symptoms of the virus. the lab tech w...