CNN The Situation Room With Wolf Blitzer November 29, 2021 23:34:00
I think we'll 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, we'll 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 we'll 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? >> i think we have a few levels we can go through. the first is to get vaccinated as i say. get bo...