Mutations in the virus that would be most unusual to have evolved naturally in the bats and there was a suspicion that this mutation was intentionally inserted. the suspicion was heightened by the fact that scientists are none to have been working on gain of function experiments and it goes on. what does this tell you about what he then said to the american public, dr. redfield? well, i think, martha, it s very disheartening. i m very disappointed in the leadership that fauci provided in not fostering a transparent debate about what is reasonable scientific evidence that did point that this virus, as you know, did emerge from a laboratory as a consequence of research that was being done in that laboratory. ....