Meta-Analysis of Climatic Variables and Dengue Incidence in High-Burden Countries

A systematic review and meta-analysis synthesizing evidence on associations between climatic variables and dengue incidence. The document includes results from 45 studies eligible for meta-analysis, predominantly from tropical countries like Brazil, India, and Indonesia. It was authored by Meenu Mariya James and last updated in May 2026.

Use Cases

• Modeling dengue incidence risk based on temperature associations quantified in the meta-analysis.
• Assessing the impact of relative humidity on dengue transmission based on pooled effect estimates.
• Investigating the role of rainfall and wind speed in dengue outbreaks based on the synthesized evidence.
• Informing climate adaptation strategies for dengue control in high-burden countries based on the review findings.

Strengths

• Analysis is based on a systematic search of 1,279 records and includes 45 studies for meta-analysis.
• More than 80% of eligible studies showed low risk of bias in key assessment domains.
• Provides pooled relative risk estimates with confidence intervals for temperature, humidity, rainfall, and wind speed.

Limitations

• The primary file is a DOCX document; the underlying tabular data for the meta-analysis is not directly provided.
• The strength of evidence was rated as 'limited' for most variables and 'inadequate' for wind speed.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

figshare

Collection Method

Systematic review and meta-analysis following PRISMA guidelines, with searches in PubMed and Scopus.

Time Range

Literature search conducted up to June 27, 2025.

Freshness

Last updated 2026-05-20 05:38:26; freshness should be verified.

Geography

Studies predominantly from tropical high-burden countries, including Brazil, India, and Indonesia.