Codetection of Plasmodium falciparum in Children Hospitalized With Dengue Fever in the Dominican Republic

Author:

Teoh Zheyi1ORCID,Simpson Brittany N.23,Howard Thad4,McElhinney Kathryn4,Ware Russell345,Mena Rafael6,Schlaudecker Elizabeth P.135

Affiliation:

1. Division of Infectious Diseases

2. Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio

3. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio

4. Division of Hematology CBDI

5. Global Health Center, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio

6. Centro de Obstetricia y Ginecología, Hospital Infantil Robert Reid Cabral, Santo Domingo, Dominican Republic.

Abstract

Background: Cases of malaria and dengue in the Dominican Republic both spiked in 2019, but their rates of codetection are poorly characterized, especially in children. Methods: We performed a prospective, observational study in January to December 2019 at the Hospital Infantil Robert Reid Cabral, in the Dominican Republic, enrolling hospitalized children with a clinical suspicion of dengue fever. Participants with a positive plasma dengue IgM antibodies were included in this study. Clinical and hospital data were abstracted, and dried blood spot samples were collected from participants and tested with quantitative polymerase chain reaction to detect the presence of Plasmodium falciparum DNA. Results: A total of 429 children with serological evidence of acute dengue were included in this study, of whom 1.4% (n = 6/429) had codetection of dengue and malaria. There were no significant differences in fever duration or presence of vomiting, abdominal pain and rash between both groups. Children with dengue and malaria codetection were numerically more often admitted to the pediatric intensive care unit, despite no differences found in overall clinical severity. Conclusions: The codetection of malaria and dengue in children was overall uncommon in our Dominican Republic cohort despite the rise in cases in 2019 but may be associated with a more severe hospital course. Further epidemiological and cohort studies to characterize the risk of both pathogens as case numbers fluctuate will be important to better understand the dynamics of coinfections.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Infectious Diseases,Microbiology (medical),Pediatrics, Perinatology and Child Health

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