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mentioned. cold weather. people going indoors. vaccination potency waning. if we counter all of those, we can stop this. now that you are encouraging all adults to get boosters, what s your definition of fully vaccinated? you know, right now, officially, john, the definition of fully vaccinated is still two doses of the moderna or pfizer and one dose of j&j. that s the requirement when people talk about what is required for this or for that? but that does not actually contradict the fact that we are saying, as vaccine efficacy wanes, you need to get that booster to bring you right up. we will evaluate, as we get more data. we we don t know now how long the booster effect is going to last. if it lasts for a considerably longer period of time, namely the durability of the booster, allows you to go for a considerable period of time without getting another boost, then that very well might be determined to be the full vaccination that we talk about. if it turns out that it wanes again

John bermanVaccination potencyModerna or pfizerVaccine efficacyBooster effect