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Spatial-temporal analysis of dengue deaths: identifying social vulnerabilities
Maria do Socorro da Silva1, Maria Dos Remédios Freitas Carvalho Branco2,3,4, José Aquino3,5
1Programa Municipal de Controle da Dengue, São Luis, Maranhão, Brasil.
Revista Da Sociedade Brasileira De Medicina Tropical
|March 23, 2017
Summary
Dengue deaths in Brazil were concentrated in socially vulnerable urban areas. Geo-technology mapping revealed specific intra-urban hotspots for these fatalities, highlighting disparities in public health outcomes.
Area of Science:
- Public Health
- Epidemiology
- Spatial Analysis
Background:
- Dengue fever, chikungunya fever, and zika virus are significant public health concerns in Brazil.
- Control efforts targeting the Aedes aegypti mosquito vector have been ongoing.
- These arboviral diseases pose a continuous threat to the population.
Purpose of the Study:
- To analyze the spatial distribution of dengue deaths in São Luis, Maranhão, Brazil.
- To identify areas with a high concentration of dengue mortality.
- To investigate the relationship between dengue deaths and socio-urban factors.
Main Methods:
- A descriptive and ecological study design was employed.
- Data encompassed dengue deaths from 2002 to 2013.
- Geoprocessing software was utilized for mapping and data linkage at the census tract level.
Main Results:
- A total of 74 dengue deaths were recorded during the study period.
- Dengue fatalities were found to be concentrated in areas characterized by social vulnerability.
- Geographic mapping identified specific intra-urban regions with a high incidence of dengue deaths.
Conclusions:
- Geo-technology tools effectively highlighted intra-urban dengue death clusters.
- Social vulnerability is a key factor associated with dengue mortality hotspots.
- Targeted public health interventions in vulnerable areas are crucial for dengue control.
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