Pfizer says updated booster protects against Omicron subvariants
3 minute readPublished: Thursday, October 13, 2022 at 10:12 am
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Pfizer Inc and its German partner BioNTech said on Thursday that their Omicron-adapted COVID-19 vaccine booster generated a strong immune response against the currently circulating BA.5 and the BA.4 subvariants of Omicron.