Booster Shot Impact onBooster Shot Impact onCOVID-19 Risksbooster shots for older adults.New study shows limited benefits ofEpidemiologyEffectiveness of Autumn 2022 COVID-19 Booster VaccinationStudy examines booster shot impact in non-clinically vulnerable individuals aged 50.2025-10-22T00:21:00+00:00 ― 6 min read