The vaccines currently used in the U.S. still offer strong protection against severe COVID-19 disease and death -- especially if people have gotten a booster dose.
Saturday, June 25, 2022 announcement comes just days before regulators debate whether to offer Americans updated booster shots this fall.
Now with omicron’s even more transmissible relatives spreading widely, the Food and Drug Administration is considering ordering a recipe change for the vaccines made by both Pfizer and rival Moderna in hopes that modified boosters could better protect against another COVID-19 surge expected this fall and winter.
“Based on these data, we believe we have two very strong omicron-adapted candidates,” Pfizer CEO Albert Bourla said in a statement.But many experts say combination shots may be the best approach because they would retain the proven benefits of the original COVID-19 vaccine while adding new protection against omicron. And Pfizer said a month after people received its combo shot, they had a 9 to 11-fold increase in omicron-fighting antibodies. That’s more than 1.
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