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COVID-19 patients who were exposed to air pollution for long durations are at a higher risk of admission to intensive care unit (ICU) and death. This has concluded through a study conducted by the Icahn School of Medicine at Mount Sinai and published in the American Journal of Respiratory and Critical Medicine. Researchers analysed retrospective data from 6,500 COVID-19 patients who were admitted to seven hospitals in New York City. Pollutant levels in the residential areas of the patients was accounted for to estimate the exposure to particulate matter. It was found that long-term exposure to PM2.5 was associated with an 11% higher risk of death and a 12% higher risk of admission to the ICU.
The findings are similar to those of other previous studies and highlight the role of environmental factors in increasing the risk of severe COVID-19.
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