Previous Dengue Infection and Mortality in Coronavirus Disease 2019 (COVID-19)
Odílson Marcos Silvestre, Letícia Roberta Martins Costa, Bianca V R Lopes, Mariana Ramos Barbosa, Kárenn Klycia Pereira Botelho, Kelvyn L C Albuquerque, Anna G S Souza, Lorran A Coelho, Anderson José de Oliveira, Cínthia B Barantini, Sebastião Afonso Viana Macedo Neves, Wilson Nadruz, James H. Maguire, Miguel Morita Fernandes-Silva
Abstract
We studied 2351 participants with coronavirus disease 2019; 1177 (50%) reported previous dengue infection. Those without previous dengue had a higher risk of death (hazard ratio: .44; 95% confidence interval: .22-.89; P = .023) in 60-day follow-up. These findings raise the possibility that dengue might induce immunological protection against severe acute respiratory syndrome coronavirus 2.
Topics & Concepts
Dengue feverHazard ratioCoronavirusCoronavirus disease 2019 (COVID-19)MedicineConfidence intervalDiseaseVirologySevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)2019-20 coronavirus outbreakInfectious disease (medical specialty)Internal medicineOutbreakMosquito-borne diseases and controlCOVID-19 epidemiological studiesCOVID-19 Clinical Research Studies