“The vaccines made by Pfizer-BioNTech and Moderna set off a persistent immune reaction in the body that may protect against the coronavirus for years,” the New York Times reports.
“The findings add to growing evidence that most people immunized with the mRNA vaccines may not need boosters, so long as the virus and its variants do not evolve much beyond their current forms — which is not guaranteed.”
“People who recovered from Covid-19 before being vaccinated may not need boosters even if the virus does make a significant transformation.”
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