Pfizer said its updated COVID-19 booster may offer some protection against newly emerging Omicron subvariants, even though it’s not an exact match.
may offer some protection against newly emerging Omicron subvariants, even though it’s not an exact match to them.
Americans have been reluctant to get the updated boosters rolled out by Pfizer and rival Moderna, which were tweaked to target the BA.5 strain of Omicron that was dominant in the U.S. until recently. With relatives of BA.5 on the rise, many wonder how well the new boosters will hold up. Pfizer and its partner BioNTech said Friday that their updated booster generated virus-fighting antibodies that can target four additional Omicron subtypes, including the particularlyThe immune response wasn’t as strong against the newer subvariants as it is against BA.5. But adults 55 and older experienced a nearly nine-fold jump in antibodies against BQ.1.
from the University of Texas Medical Branch in Galveston and the companies. That’s compared to a two-fold rise in people who got a booster of the original vaccine.It’s not the only hint that the updated boosters may broaden protection against the still-mutating coronavirus.
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