ABC NewsPfizer, BioNTech say bivalent COVID-19 booster shot performs better against BA.5 omicron subvariantNov 4, 2022Sony Salzman, Morgan Winsor & Eric M. StraussBy Sony Salzman, Morgan Winsor & Eric M. Straussbookmark_bordersharemore_vert
CNNPfizer/BioNTech say updated Covid-19 booster generates 'substantially higher' protection against Omicron subvariants than original vaccineNov 4, 2022Jen ChristensenBy Jen Christensenbookmark_bordersharemore_vert
Miami HeraldCOVID booster may lower protection against omicron reinfection, study finds. Here’s whyNov 4, 2022Julia MarninBy Julia Marninbookmark_bordersharemore_vert
HealthlineWhy the New COVID-19 Booster Was Authorized Before Testing on PeopleNov 4, 2022Shawn RadcliffeBy Shawn Radcliffebookmark_bordersharemore_vert