CNN The Situation Room With Wolf Blitzer November 29, 2021 23:34:00
I think well be able to see as we test these -- the vaccines now, and as we bring on some of these new variant specific vaccines as well, well be able to see whether they have effectiveness not only in the laboratory but in human beings as well. that should go relatively quickly and obviously well work very closely with governments and health authorities around the world. >> if you do determine that an updated vaccine or booster is actually necessary, how soon do you think that would be ready? >...
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