the biden administration could demand. >> dr. del rio, what is your biggest or are your biggest outstanding questions this morning? >> there's a lot of questions, poppy. i think two things what julia said i agree with. time but we need better international cooperation. china not only in this pandemic but in 2003 with sars, it was slow to open. it was secretive. we need transparency and international collaboration. the reality, the pandemic caused over three million deaths globally. if we had better national collaboration at the beginning, i think the trajectory of the pandemic would have been very, very different. i think we need to look forward and see how to prevent it from happening again. what are the things draft need to happen to create that independent body that is able to investigate and act rapidly and get over politics in order prevent pandemics.