Risk factors for death and illness severity in vaccinated versus unvaccinated COVID-2019 inpatients: a retrospective cohort study.
Guilherme Jorge CostaJosé Roberto da Silva JuniorCaio Cesar Arruda da SilvaTiago Pessoa Ferreira de LimaMariana Menezes CostaMarcos Henrique Oliveira SousaGabriela Carla Dos Santos CostaJosé Iran Costa JúniorMozart Júlio Tabosa SalesPublished in: Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia (2023)
Vaccines were effective in reducing illness severity and death in this cohort of COVID-19 inpatients, and the administration of additional doses conferred them with accumulative vaccine protection.