origin that doesn't exist in wuhan. if this comes from nature, there would have to be some evidence of it coming from nature. right now we don't have that evidence. >> now house republicans are demanding more information from the state department, fbi and doe on the origins of covid-19. >> you do believe it is noble. how so if china is not cooperating. >> there is some information that we already have and there is other information i think we can pursue that doesn't require china's consent, that can lead us to the proper con collusion. >> i want to make sure that we are readying ourself for the next pandemic. and the more we can learn about natural origins or a possible lab leak, then the better off we're going to be. >> and earlier today, top house republicans sent letters to the fbi, department of energy and the state department calling for details and transcripts.