if you get vaccinated with the moderna vaccine and then get boosted, you get a nice good level of protection with antibodies against the original covid virus strain. and also against the omicron strain. but what we see by six months is that those levels begin to fall. so he just gave that six-month sort of timeline here. should people expect to need another booster in six months? i don t think we know the answer to this yet. we definitely know that the first two doses are not enough. that you definitely have to get a third shot. so five months after you get pfizer or moderna or two months after the one-dose johnson & johnson, you should be getting a booster. we don t know whether additional boosters are going to be needed. even if antibody levels drop there are other elements, t cells and b cells that may remain robust. we need to collect more data before showing whether
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