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Pfizer booster spurs immune response to new Omicron subvariants

Por: Los Angeles Times Science November 20, 2022

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Pfizer said this week that its updated COVID-19 booster 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... + full article



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