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September 10, 2025Proceedings of the National Academy of SciencesOpen Access

Climate warming is expanding dengue burden in the Americas and Asia

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Authors

MCMarissa L. ChildsKLKelsey LybergerMHMallory Harris

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Overview

Analysis reveals significant correlation between temperature and dengue incidence, highlighting climate change's role in public health risks.

Key Points

  • Dengue incidence is projected to increase by 49% to 76% by midcentury due to climate change, especially in cooler regions.
  • Around 18% of historical dengue cases are linked to anthropogenic warming, emphasizing the importance of climate action.
  • A nonlinear relationship shows peak dengue incidence occurs at 27.8°C, with declines observed at higher temperatures.
  • Major public health implications arise as an estimated 262 million people will face more than double the dengue incidence due to warming.

Cite This Study

Childs et al. (2025) studied this question.

synapsesocial.com/papers/68d413ee713b0b5dfea619b3https://doi.org/10.1073/pnas.2512350122
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