ArticlePloS one2025
Spatial patterns and clustering of dengue incidence in Mexico: Analysis of Moran's index across 2,471 municipalities from 2022 to 2024.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Epidemic Years Increase Hospitalization but Not Mortality Among Laboratory-Confirmed Dengue Cases in Mexico: A Nationwide Surveillance Study, 2020-2025.Microorganisms · 2026Article
- Integrated Surveillance Strategies and Clinical Characteristics of Arboviral Diseases in a Pediatric Cohort in Merida, Mexico, 2021-2023.The American journal of tropical medicine and hygiene · 2026Article
- Review
- Climate Variability Drives Dengue Transmission in Bangladesh.Infectious disease reports · 2026Article
- Epidemiological Characteristics of Dengue Disease in Mexico (2014-2025): A Descriptive Analysis of a Hyperendemic Country.Pathogens (Basel, Switzerland) · 2026Review
- Geographic expansion, not viral intensification, leads to human dengue outbreaks in Mexico: a 40-year integrated remote sensing and machine learning analysis.Frontiers in public health · 2026Review
- Impact of migratory flows and socio-environmental factors on dengue epidemiology in Oaxaca, Mexico.Frontiers in sociology · 2025Review
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Authors and funding
17 authors.
Funding
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Abstract
Dengue is an increasing public health challenge, with rising cases and expanding distribution. Its complex epidemiology is influenced by climate change, urbanization, and the circulation of multiple viral serotypes. This study aimed to characterize the spatial and temporal (2022-2024) patterns of dengue incidence across 2,471 municipalities in Mexico. Weekly case counts, obtained through the normative epidemiological surveillance system for vector-borne diseases, were used to calculate incidence rates per 100,000 population. Geographic Information Systems were employed to analyze spatial patterns, while Local Moran's I statistic and a k-nearest neighbors spatial weights matrix identified spatial clusters. A total of 622,689 dengue cases were analyzed, with incidence rates rising from 29.4 in 2022 to 279.0 per 100,000 in 2024. Dengue transmission expanded, affecting 38.0% of municipalities in 2022 and 68.6% by 2024 ([Formula: see text] < 0.001). Spatial clustering also increased, with positive clusters increasing from 28 municipalities in 2022-98 in both 2023 and 2024. Moran's I values indicated a peak in spatial autocorrelation in 2023 (I = 0.57). While DENV-2 was the predominant serotype in 2022, DENV-3 became dominant in 2023 and 2024. Over time, high-incidence areas shifted from southern and central regions to the southeast and Pacific coast. These findings suggest the growing burden of dengue in Mexico, driven by rising incidence, expanding geographic distribution, and evolving spatial patterns. A coordinated public health response is needed to mitigate the impact of dengue and prevent its spread to newly affected areas.
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