What we talk about when we talk about COVID-19 vaccination campaign impact: a narrative review.
Hastenreiter Filho Horácio N, Peres Igor T, Maddalena Lucas G, +5 more·Frontiers in public health
BACKGROUND: The lack of precise definitions and terminological consensus about the impact studies of COVID-19 vaccination leads to confusing statements from the scientific community about what a vaccination impact study is. OBJECTIVE: The present work presents a narrative review, describing and discussing COVID-19 vac…