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Environmental factors can influence dengue reported cases
Marco Antonio F Carneiro1, Beatriz da C A Alves1, Flávia de Sousa Gehrke1
1Faculdade de Medicina do ABC (FMABC), Santo André, SP, Brazil.
Revista Da Associacao Medica Brasileira (1992)
|February 17, 2018
Summary
Climate change impacts dengue transmission. While temperature alone wasn't statistically linked, dengue outbreaks in Greater São Paulo coincided with temperature peaks, alongside moisture and PM10. Further research on environmental pollution is recommended.
Area of Science:
- Environmental Science
- Epidemiology
- Public Health
Background:
- Global climate change exacerbates vector-borne disease transmission, with dengue fever being a primary concern.
- Rising temperatures and environmental factors influence the spread of infectious diseases.
- Dengue poses a significant public health challenge, necessitating studies on its transmission dynamics.
Purpose of the Study:
- To investigate the relationship between temporal variations in air temperature and dengue occurrence in seven municipalities of Greater São Paulo.
- To analyze the impact of meteorological factors and air pollutants on dengue incidence.
- To understand the influence of environmental variability on dengue outbreaks.
Main Methods:
- Analysis of dengue case notifications from 2010 to 2013.
- Correlation of dengue data with meteorological data (temperature) and air pollutant concentrations (PM10).
- Temporal trend analysis of disease occurrence in the study region.
Main Results:
- Dengue cases peaked between January and May from 2010 to 2013.
- A statistical association was found between moisture, PM10 levels, and reported dengue cases.
- Temperature peaks correlated with dengue outbreak peaks, despite no direct statistical link.
Conclusions:
- Environmental factors like moisture and PM10 are associated with dengue incidence.
- Temperature fluctuations appear to coincide with dengue outbreaks, suggesting an indirect influence.
- Further research into environmental pollution's role in Aedes aegypti mosquito life cycles and enhanced surveillance strategies are crucial for dengue control.
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