CNN CNN Newsroom With Alisyn Camerota and Victor Blackwell January 3, 2022 20:39:00
They started with those in that age group who were immunocompromised. is that the next step? israel has often been ahead of the u.s. on its vaccine program. is that what's next for us? >> i don't think we can say that's what's next in the sense that we're all looking carefully at how to best use these vaccines. they're remarkable tools but they're not perfect. if we end up finding ourselves in a position where we need to basically boost someone every six to seven months, that's going to be a challenge. we can't do that for the world. i think you're going to see a lot of discussion over the cou...