are severe ramifications from across the globe. they have had many lab accidents with the original sars. we know there are safety mishaps there. it's interesting dr. fauci believe the medical records still exist after this much time. >> john: doctor, we talking about gain to function research. to put it in a nut she it's modifying a virus in nature into a laboratory to increase the risk on humans to see where this goes, derive treatments and vaccines. the work is theoretical. it's possible for the thaoer theoretical research to be a real world problem. >> absolutely. this isn't the first time in history we have seen epidemics from a lab accident. we have two states in the united