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July 30, 2026BMC Infectious DiseasesOpen Access

Prevalence and factors associated with dengue fever serotypes in Eastern Sudan: a hospital-based cross-sectional study

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Authors

AMAbdualmoniem O. MusaAHAbdel Rhman S. HajnourAAAsma Mohammed Almuatasim

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Overview

Cross-sectional study identifies dengue serotype prevalence and associated factors among populations in Kassala, suggesting urgent public health interventions.

Key Points

  • This study aims to determine the prevalence of dengue virus serotypes and associated factors among residents and internally displaced persons in Kassala during the 2024 outbreak.
  • Hospital-based cross-sectional study conducted at Kassala Teaching Hospital from October to December 2024.
  • 227 confirmed dengue patients' serum samples were analyzed using one-step Real-Time PCR for serotyping.
  • Univariate and multivariate logistic regression analyses identified factors associated with serotypes.
  • DENV-2 was the dominant serotype (59.9%), followed by DENV-3 (35.2%) and DENV-1 (4.8%).
  • The overall mortality rate was 6.6%, with 13 deaths recorded among the displaced population.
  • Non-use of mosquito nets was the only independent factor associated with DENV-2 infection (AOR = 2.20; 95% CI: 1.23–3.90; P = 0.007).

Cite This Study

Musa et al. (2026) studied this question.

synapsesocial.com/papers/6a6b026860e2b924d3ea2518https://doi.org/10.1186/s12879-026-14117-5
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