Health Technology/clinical-trials

Digital Heat Warning System Trial for School Children: Novel WeChat-Based Intervention to Protect Against Heat-Related Health Impacts

247 Health News Editorial

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24 June 2026

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4 min read

·clinical-trials

A novel cluster randomised trial in Beijing examines whether WeChat-based heat warnings can protect school children's cognitive function during extreme heat events. The study targets executive function in 200 fourth-grade students across six schools.

Originally reported by ClinicalTrials.gov

References

  1. 1.Centers for Disease Control and Prevention, China. (2024). Study on intervention effect of heat-related health risk early warning digital technology for school-age children. ClinicalTrials.gov. NCT07643571. https://clinicaltrials.gov/study/NCT07643571
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  3. 3.Park, R. J., Goodman, J., Hurwitz, M., & Smith, J. (2020). Heat and learning. American Economic Journal: Economic Policy, 12(2), 306-339. https://doi.org/10.1257/pol.20180612
  4. 4.Whittaker, R., McRobbie, H., Bullen, C., Rodgers, A., & Gu, Y. (2016). Mobile phone-based interventions for smoking cessation. Cochrane Database of Systematic Reviews, 4, CD006611. https://doi.org/10.1002/14651858.CD006611.pub4
  5. 5.Xu, Z., FitzGerald, G., Guo, Y., Jalaludin, B., & Tong, S. (2016). Impact of heatwave on mortality under different heatwave definitions: A systematic review and meta-analysis. Environment International, 89-90, 193-203. https://doi.org/10.1016/j.envint.2016.02.007
  6. 6.Xu, Z., Sheffield, P. E., Su, H., Wang, X., Bi, Y., & Tong, S. (2014). The impact of heat waves on children's health: a systematic review. International Journal of Biometeorology, 58(9), 2011-2024. https://doi.org/10.1007/s00484-014-0791-3
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247 Health News Editorial

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