CNN CNN Newsroom With Poppy Harlow and Jim Sciutto September 23, 2021 13:11:00
Increasingly clear that immunity does wane over time, the vaccine may be a three-dose vaccine, it may be a vaccine we have to get a booster once in a while, not once every six months, but maybe once every year or maybe once every ten years like we do with the tetanus vaccine. at some point, it is going to be the recommendation that everyone is going to need a booster dose. i do think it is reasonable to start with the people who are at the highest risk. they were the individuals who first got the vaccine, also, nursing home residents, healthcare workers and so forth. so they have already hit t...