boosters, calling it a patriotic responsibility. alex, christi. >> jasmine wright on north lawn of the white house. thank you very much. dr. jonathan ryaner joins us to share his perspective, professor of medicine and surgery at george washington university. thank you so much for being back with us. >> thanks for having me, alex. >> doctor, do you agree with dr. fauci that this variant may already be here and if so, how widespread do you believe it could be? >> well, i'm sure it is already here. our world is so interconnected an and genomic surveillance has always been inadequate. i am sure that variant is already in the united states, as we heard this morning, it is already in united kingdom, which is why again i think the travel ban is probably mostly performative, won't have much