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Dynamics of hospitalizations and in-hospital deaths from COVID-19 in northeast Brazil: a retrospective analysis based on the circulation of SARS-CoV-2 variants and vaccination coverage
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Paulo Ricardo Martins-Filho
 , Adriano Antunes de Souza Araújo, Lucindo José Quintans-Júnior, Bárbara dos Santos Soares, Waneska de Souza Barboza, Taise Ferreira Cavalcante, Victor Santana Santos
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Epidemiol Health. 2022;44:e2022036. Published online April 5, 2022
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DOI: https://doi.org/10.4178/epih.e2022036
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Abstract
This study investigated the dynamics of hospitalizations and in-hospital deaths from coronavirus disease 2019 (COVID-19) throughout the pandemic in northeast Brazil, the Brazilian region with the worst socioeconomic indicators. In total, 141,445 cases, 8,213 hospital admissions, and 1,644 in-hospital deaths from COVID-19 were registered from March 14, 2020 to February 5, 2022. The overall rates of hospitalization and in-hospital deaths were 5.8% and 20.0%, respectively. The hospitalization and death rates significantly decreased over time, which may have been related to progress in vaccination. During the spread of the Gamma variant (January to June 2021), most hospitalized individuals were young adults, and approximately 40% of deaths occurred in this age group. During the predominance of Delta (July to December 2021), over 75% of deaths occurred among the elderly and unvaccinated or partially vaccinated individuals. This rate decreased to 42.3% during the transmission of the Omicron variant (January to February 2022), during which 34.6% of deaths were recorded among fully vaccinated individuals (2 doses) and 23.1% among those who received full vaccination and a booster. The Omicron-driven third wave was associated with a rise in the proportion of deaths among vaccinated individuals, especially among those who had not received a booster dose.
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Summary
Korean summary
Key Message
The Omicron-driven third wave in Brazil was associated with a rise in the proportion of deaths among vaccinated individuals, especially among those who had not received a booster dose
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Citations
Citations to this article as recorded by  - Comparison of Epidemiologic and Clinical COVID-19 Profiles in Children in Argentina, During Circulation of Original and Variant (Alpha, Gamma and Lambda) Strains
Angela Gentile, María Del Valle Juárez, Lucia Romero Bollon, Valeria Aprea, Erika Matteucci, Andrea Falaschi, Martin Brizuela, Cristina Euliarte, Gabriela Gregorio, Maria Paula Della Latta, Carlota Russ, Gabriela Nidia Ensinck, Liliana Saraceni, Miriam Br
Pediatric Infectious Disease Journal.2023; 42(2): 136. CrossRef - Case-fatality rates and risk of death from COVID-19 and influenza A/H3N2 in Brazil: A nationwide ecological study
Paulo Ricardo Martins-Filho, Jerocílio Maciel de Oliveira Júnior, Cliomar Alves dos Santos
Enfermedades Infecciosas y Microbiología Clínica.2022;[Epub] CrossRef - SARS-CoV-2 infection and mortality in pediatric patients with hematological malignancies and solid tumors
João Eduardo Andrade Tavares de Aguiar, Marcos Antônio Lima Carvalho, Simone Santana Viana, Paulo Ricardo Martins-Filho, Rosana Cipolotti
Pediatric Hematology and Oncology.2022; : 1. CrossRef
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