preacher of covid-19 so this makes it -- they didn't slice this in, it wouldn't be contagious and if we are contagious, who wouldn't have to worry about covid spreading human to human so basically this appears not to satisfy the mad scientist theory of the origin. dan: last question for you, with this cleavage site in this covid respiratory virus here, in your professional opinion, is this going to lead to more variance, dangerous variance, what is created in a lab? the entire evolutionary process to become as instructors as it is now. >> we know normally endangered about 99 cents in u.s. government scientists working with me on the origin of tobit