vaccine education center at children s hospital of philadelphia. paul, the the lab-leak theory is such a dramatic shift from when this was being written off as a conspiracy theory. we did talk to dr. anthony fauci, in the last hour. and we should note, he still does not sound like he is sold on this. he is saying that he thinks it s more likely that this was of something from sort of natural origin in china. what do you think? has your stance changed on this? what do you make of this latest reporting? i m with dr. fauci. i think the chance that this was created by laboratory workers, that it was engineered, is zero. there is this wonderful podcast called this week in virology. and he has, over the last few weeks, had a series of virologists on who have an hi analyzed this virus, as virologists do. and came to the conclusion the fact that this was engineered by people is zero. this was engineered by mother nature. only she could be this evil,