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Pfizer touts safety of Omicron-targeting COVID-19 dose

Adjustments made by Pfizer and partner BioNTech to their COVID-19 vaccine were found to be safe and made the shot more effective at targeting the Omicron variant, Pfizer announced. Though the existing vaccines remain effective at protecting against severe COVID-19, they targeted the original coronavirus strain and have weakened against the very transmissible Omicron variant. The Associated Press (6/25)


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