Authors: Iheanacho, Chinonyerem O.; Advisor: -; Participants: Eze, Uchenna I. H.; Adida, Emmanuel A. (2021)
High effectiveness of COVID-19 vaccines is essential for the pandemic control. This study systematically reviewed available evidence on effectiveness of ChAdOx1 and BNT162b2 vaccines in the general population, for improved vaccine policies and strategies.