Pfizer, BioNTech find updated COVID booster protects against Omicron in trial
3 minute readPublished: Thursday, October 13, 2022 at 2:38 pm
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Pfizer and its German partner BioNTech said their COVID-19 vaccine booster, adapted for the BA.4 and the BA.5 subvariants of Omicron, generated a strong immune response and was well-tolerated in testing on humans.