WATCH LIVE In this article PFE Pfizer said its omicron booster triggers a stronger immune response against a number of emerging Covid subvariants circulating in the U.S. The booster triggered more antibodies against omicron sublineages BQ.1.1, BA.4.6, BA.2.75.2 and XBB.1 in adults older than 55 […]
Pfizer says omicron booster is better against new subvariants like BQ.1.1 than old shots
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