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May 3, 2026

Climate drivers and winter constraints of dengue epidemics: a 10-year epidemiological perspective study in the Lao People's Democratic Republic.

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Authors

SHSouphatsone HouatthongkhamMinistry of HealthJKJae Hyun KimChonbuk National University HospitalBKBouaphanh KhamphaphongphaneMinistry of Health

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Implication

Epidemiological perspective shows winter temperatures limit dengue transmission in Laos, suggesting enhanced warning systems.

Key Points

  • This study aims to investigate how winter temperatures and climatic indices influence dengue transmission in the Lao PDR.
  • Analyzed 134,093 dengue cases reported from January 2014 to December 2023
  • Used region-specific quasi-Poisson distributed lag nonlinear models
  • Pooled estimates with multivariate meta-analysis to generate best linear unbiased predictions (BLUPs)
  • Highest dengue cases in the Capital Region (40,672 cases; annual incidence 35.4 per 100,000)
  • Relative risk increases with ONI (RR = 2.83) and decreases with DMI (RR = 0.37)
  • Winter minimum temperature thresholds constrain annual dengue incidence regionally

Cite This Study

Houatthongkham et al. (2026) studied this question.

synapsesocial.com/papers/69f6e6ab8071d4f1bdfc76e4https://doi.org/10.1186/s40249-026-01438-5
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