anything about that? >> no, anderson, i did not. i had no knowledge of what his test positivity or negativity was at all. i just was not -- i was not in that loop at all. >> okay. >> let's get to some more viewer questions, dr. fauci. this is an interesting one from liam in south africa sent in this video. take a listen. >> as a proud south african i've watched in recent days as the world has shut its doors to my country. south africa has undoubtedly been punished for its discovery of the omicron variants which raises an important question. why would countries report future variants if they are simply slapped with discriminatory travel bans? these travel bans have certainly set a treacherous precedent. >> do you -- is there any merit, do you think, dr. fauci, to liam's concerns here? >> you know, i think there is some merit to that. we felt, at least i felt, and i know several of the members of the team felt really badly about that because the south africans