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References from Rehospitalization due to COVID-19 reinfection in Rio de Janeiro, 2020–2022: Associations with vaccination status, sociodemographic and clinical factors. Local targets link to admitted publications; unresolved targets remain external evidence.
COVID-19 emergency operations center: experience of the Rio de Janeiro municipality, Brazil
2022 · External reference
Comorbidities affecting re-admission and survival in COVID-19: Application of joint frailty model
10.1371/journal.pone.0301209 · 2024 · External reference
New infections by SARS-CoV-2 variants of concern after natural infections and post-vaccination in Rio de Janeiro, Brazil
10.1016/j.meegid.2021.104998 · 2021 · External reference
Clinical Profile and risk factors for severe COVID-19 in hospitalized patients from Rio de Janeiro, Brazil: Comparison between the first and second pandemic waves
10.3390/jcm12072568 · 2023 · External reference
Comparative analysis of the lethality pattern of Covid-19 and the response of BRICS countries to the pandemic in the context of multilateralism: An ecological study
2025 · External reference
Unresolved reference
2022 · External reference
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Validation of a hierarchical deterministic record-linkage algorithm using data from 2 different cohorts of human immunodeficiency virus-infected persons and mortality databases in Brazil
10.1093/aje/kwn249 · 2008 · External reference
Immortal time bias in pharmaco-epidemiology
10.1093/aje/kwm324 · 2008 · External reference
Unresolved reference
2024 · External reference
A proportional hazards model for the subdistribution of a competing risk
10.1080/01621459.1999.10474144 · 1999 · External reference
Unresolved reference
2023 · External reference
Unresolved reference
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10.1007/978-1-4757-3294-8
10.1007/978-1-4757-3294-8 · 2000 · External reference
mstate: An R package for the analysis of competing risks and multi-state models
2011 · External reference
The mstate package for estimation and prediction in non- and semi-parametric multi-state and competing risks models
10.1016/j.cmpb.2010.01.001 · 2010 · External reference
Risk factors for death and illness severity in vaccinated versus unvaccinated COVID-2019 inpatients: a retrospective cohort study
2023 · External reference
Projecting the impact of a two-dose COVID-19 vaccination campaign in Ontario, Canada
10.1016/j.vaccine.2021.03.058 · 2021 · External reference
Risk of hospitalisation associated with infection with SARS-CoV-2 omicron variant versus delta variant in Denmark: an observational cohort study
10.1016/s1473-3099(22)00154-2 · 2022 · External reference
Who is at higher risk of SARS-CoV-2 reinfection? results from a Northern Region of Italy
10.3390/vaccines10111885 · 2022 · External reference
Symptoms after COVID-19 vaccination in patients with post-acute sequelae of SARS-CoV-2
10.1007/s11606-022-07443-2 · 2022 · External reference
Hospital readmissions among veterans within 90 days of discharge following initial hospitalization for COVID-19
10.5888/pcd19.220200 · 2022 · External reference
COVID-19 vaccine coverage in health-care workers in England and effectiveness of BNT162b2 mRNA vaccine against infection (SIREN): A prospective, multicentre, cohort study
10.1016/s0140-6736(21)00790-x · 2021 · External reference
SARS-CoV-2 reinfection cases in a household-based prospective cohort in Rio de Janeiro
10.1093/infdis/jiad336 · 2023 · External reference
Longitudinal analysis of humoral and cellular immune response after SARS-CoV-2 reinfection
10.3390/vaccines12050464 · 2024 · External reference
A systematic review of coronavirus disease 2019 vaccine efficacy and effectiveness against SARS-CoV-2 infection and disease
10.1093/ofid/ofac138 · 2022 · External reference
Age, successive waves, immunization, and mortality in elderly COVID-19 hematological patients: EPICOVIDEHA findings
10.1016/j.ijid.2023.10.013 · 2023 · External reference
Duration of effectiveness of vaccines against SARS-CoV-2 infection and COVID-19 disease: Results of a systematic review and meta-regression
10.1016/s0140-6736(22)00152-0 · 2022 · External reference
Protection against SARS-CoV-2 after Covid-19 vaccination and previous infection
10.1056/nejmoa2118691 · 2022 · External reference
Durability of COVID-19 vaccine and infection induced immunity: A systematic review and meta-regression analysis
10.1016/j.vaccine.2025.126966 · 2025 · External reference
Unresolved reference
External reference
Sociodemographic and health-related predictors of COVID-19 booster uptake among fully vaccinated adults
10.1016/j.vaccine.2025.127048 · 2025 · External reference
Lessons learned from a global perspective of coronavirus disease-2019
10.1016/j.ccm.2022.11.020 · 2023 · External reference
Predictors of COVID-19 readmission among patients previously hospitalized for SARS-CoV-2
10.1007/s40121-024-01107-w · 2025 · External reference
Factors associated with readmission in the United States following hospitalization with coronavirus disease 2019
10.1093/cid/ciab464 · 2022 · External reference
110 A single centre study on the thirty-day hospital reattendance and readmission of older patients during the SARS-CoV-2 pandemic
10.1093/ageing/afab030.71 · 2021 · External reference
Risk factors for readmission of COVID-19 ICU survivors: A three-year follow up
10.25259/ijmr_726_2024 · 2025 · External reference
Role of senescence and aging in SARS-CoV-2 infection and COVID-19 disease
10.3390/cells10123367 · 2021 · External reference
Immunosenescence and inflamm-ageing in COVID-19
10.1016/j.arr.2022.101818 · 2023 · External reference
Clinical and laboratory predictors of in-hospital mortality in patients with coronavirus disease-2019: A cohort study in Wuhan, China
10.1093/cid/ciaa538 · 2020 · External reference
An evidence-based debate on epigenetics and immunosenescence in COVID-19
10.1016/j.crimmu.2023.100069 · 2023 · External reference
Mid- and long-term mortality risk factors after COVID-19 hospitalization: A retrospective observational study in Peru
2025 · External reference
Risk and protective factors for COVID-19 morbidity, severity, and mortality
10.1007/s12016-022-08921-5 · 2023 · External reference
Effect of comorbidities on the mortality of patients with COVID-19: A systematic review of reviews and meta-analyses
2025 · External reference
Risk-factors for re-admission and outcome of patients hospitalized with confirmed COVID-19
10.1038/s41598-021-96716-7 · 2021 · External reference
Analysis of risk factors on readmission cases of COVID-19 in the Republic of Korea: Using nationwide health claims data
10.3390/ijerph17165844 · 2020 · External reference
Comorbidities associated with 30-day readmission following index coronavirus disease 2019 (COVID-19) hospitalization: A retrospective cohort study of 331,136 patients in the United States
10.1017/ice.2022.232 · 2023 · External reference
Racial disparities in 30-day outcomes following index admission for COVID-19
10.3389/fmed.2021.750650 · 2021 · External reference
Racial and ethnic disparities in rates of COVID-19-associated hospitalization, intensive care unit admission, and in-hospital death in the United States from march 2020 to february 2021
10.1001/jamanetworkopen.2021.30479 · 2021 · External reference
Ethnic and regional variations in hospital mortality from COVID-19 in Brazil: A cross-sectional observational study
10.1016/s2214-109x(20)30285-0 · 2020 · External reference
Imunização contra COVID-19 e mortalidade em pacientes hospitalizados: Coorte retrospectiva
10.11606/s1518-8787.2024058005476 · 2024 · External reference
COVID-19 readmission is highest among refugees in Denmark
10.3390/ijerph22030367 · 2025 · External reference
Fatores associados ao óbito em casos confirmados de COVID-19 no estado do Rio de Janeiro
10.1186/s12879-021-06384-1 · 2021 · External reference
Clinical characteristics and social determinants of health associated with 30-day hospital readmissions of patients with COVID-19
10.1136/jim-2022-002344 · 2022 · External reference
Features of 20 133 UK patients in hospital with covid-19 using the ISARIC WHO Clinical Characterisation Protocol: Prospective observational cohort study
2020 · External reference
Characteristics and outcomes of ICU-admitted COVID-19 patients in the omicron and alpha-dominated periods
10.1016/j.jfma.2024.10.025 · 2025 · External reference
Risk and severity of SARS-CoV-2 reinfections during 2020-2022 in Vojvodina, Serbia: A population-level observational study
10.1016/j.lanepe.2022.100453 · 2022 · External reference
Severity and outcomes of SARS-CoV-2 reinfection compared with primary infection: A systematic review and meta-analysis
10.3390/ijerph20043335 · 2023 · External reference
Clinical and epidemiological aspects of severe acute respiratory infection: Before and during the first year of the COVID-19 pandemic in Brazil
10.1093/trstmh/trac074 · 2023 · External reference
Measures of “Race” and the analysis of racial inequality in Brazil
10.1016/j.ssresearch.2012.06.006 · 2013 · External reference
