Impact of the first year of COVID-19 vaccination strategy in Brazil: an ecological study.

ABSTRACT:

Objectives

No consensus exists about the best COVID-19 vaccination strategy to be adopted by low-income and middle-income countries. Brazil adopted an age-based calendar strategy to reduce mortality and the burden on the healthcare system. This study evaluates the impact of the vaccination campaign in Brazil on the progression of the reported COVID-19 deaths.

Methods

This ecological study analyses the dynamic of vaccination coverage and COVID-19 deaths in hospitalised adults (≥20 years) during the first year of the COVID-19 vaccination roll-out (January to December 2021) using nationwide data (DATASUS). We stratified the adult population into 20-49, 50-59, 60-69 and 70+ years. The dynamic effect of the vaccination campaign on mortality rates was estimated by applying a negat

SUBMITTER: Aguilar S 

PROVIDER: S-EPMC11227766 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature