ANA LÚCIA DA SILVA FERREIRA; DANIELE MELO SARDINHA; DAIANE CRISTINA VIANA DE MORAES; MARIA RAIMUNDA RODRIGUES DE OLIVEIRA; MAYARA CAROLINA FRAZÃO VIANA; NATASHA CRISTINA OLIVEIRA ANDRADE; TAMIRES DE NAZARÉ SOARES; RICARDO JOSÉ DE PAULA SOUZA E. GUIMARÃES; LUANA NEPOMUCENO GONDIM COSTA LIMA; KARLA VALÉRIA BATISTA LIMA. Clinical Profile, Comorbidities, and Outcome of the Unvaccinated and Hospitalized for COVID-19 in Northern Brazil: Retrospective Cohort . Archives of Current Research International, [S. l.], v. 23, n. 7, p. 53–66, 2023. DOI: 10.9734/acri/2023/v23i7592. Disponível em: https://journalacri.com/index.php/ACRI/article/view/592. Acesso em: 21 sep. 2025.