In the next month, millions of Americans will get ready to roll up their sleeves for a third dose of the COVID-19 vaccine. But when it comes to booster shots, it's not as simple as 'more is more'—it's also a matter of when.
. But when it comes to booster shots, it's not as simple as 'more is more' -- it's also a matter of when.. Come mid-September, that option is expected to be open for everyone who got Pfizer or Moderna vaccines, at least eight months after their second dose.
, experts say, with current data suggesting all three of the authorized vaccines provide good protection at least six months after initial vaccination and likely longer.A nurse marks a coronavirus vaccination card with a third"booster" dose of the Pfizer COVID-19 vaccine at a vaccine clinic in Pasadena, Calif., Aug. 19, 2021.would begin ahead of any ruling from the Food and Drug Administration or Centers for Disease Control and Prevention advisory groups.
"You don't want to find yourself behind playing catch up," said Dr. Anthony Fauci, chief medical adviser to the White House. Getting a booster shot too soon may be counterproductive. Those who wait extend their"runway" of immune protection further. Health officials don't want to wait until the nation gets stuck behind the pandemic eight ball again, but some experts worry the move was premature.
"The science on this is unavailable. And that's not a place where we've been before," Faust said, noting the risk of myocarditis has shown to happen more frequently after the second mRNA dose.
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