Impact of prolonged environmental exposure to particulate matter (PM2.5) on hospitalization and fatality rates due to SARS-CoV-2 in Bogotá D.C.
DOI:
https://doi.org/10.33610/28059611.103Keywords:
contaminantes ambientales, contaminantes atmosféricos, contaminación del aire, Infecciones por coronavirus, material particuladoAbstract
Introduction: The multifactorial dynamics and spatial heterogeneity of the morbidity and mortality caused by SARS-CoV-2 require exploring factors that allow an understanding of this complex system.
Objective: To explore the association between PM2.5 levels and hospitalization and fatality rates due to SARS-CoV-2. Methods: The spatial coverage of the 17 air quality monitoring stations (≈ 4 km) of Bogotá, D.C., was determined through the Voronoi-based interpolation method based on Euclidean distances. The fatality and hospitalization rates due to SARS-CoV-2 were compared using the Kruskal-Wallis test in each Voronoi region, according to the days of the week (0, 1–3, 4–5, >5) with reports of PM2.5 concentrations > 37 µg/m3, categorized as harmful to health under national air quality standards.
Results: In 68.8% (11) of the regions considered, the hospitalization rate was higher with prolonged exposure to PM2.5 > 37 µg/m3. In Guaymaral, Las Ferias, and Suba, a significant increase in hospitalization and fatality rates was found as the number of days of exposure to PM2.5 > 37 µg/m3 increased.
Conclusion: When considering the coverage of the air quality monitoring stations in Bogotá, D.C, we noted that areas with prolonged exposure to PM2.5 > 37 µg/m3 have higher fatality and hospitalization rates due to SARS-CoV-2 in Bogotá, D.C., as described for other respiratory infections.
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