Recent study provides robust evidence supporting air pollution as a risk factor for COVID-19.
Long-term exposure to air pollution and risk of SARS-CoV-2 infection and COVID-19 hospitalisation or death: Danish nationwide cohort study
Go to source) Lead author Dr. Zorana Andersen and her team at the University of Copenhagen, Denmark, conducted a comprehensive investigation involving 3.7 million adults in Denmark from March 2020 to April 2021. The study focused on various outdoor air pollutants, such as fine particulate matter (PM2.5), coarse particulate matter (PM10), black carbon, nitrogen dioxide, and ozone.
No Significant Link Between Ozone Exposure and COVID-19 Incidence
Notably, no significant associations were found between ozone exposure and COVID-19 incidence. The study identified older adults and individuals from lower socioeconomic backgrounds as having the highest risk of contracting COVID-19.
Air Pollution
Nearly 2.4 million deaths every year are attributable to air pollution. Air pollutants may be solid particles, liquid droplets or gases. Proper planning methods should be adopted to reduce air pollution.
Nearly 2.4 million deaths every year are attributable to air pollution. Air pollutants may be solid particles, liquid droplets or gases. Proper planning methods should be adopted to reduce air pollution.
‘Study indicates increased risks of COVID-19 incidence, hospitalizations, and mortality associated with long-term exposure to PM2.5, PM10, black carbon, and nitrogen dioxide. #covid19 #airpollution #enviromentalhealth #cleanplanet’
Among the pollutants studied, nitrogen dioxide, primarily derived from fossil fuel combustion, especially in motor vehicles, showed the strongest correlation with elevated risks of COVID-19 incidence and hospitalizations. Conversely, fine particulate matter, originating from industrial and agricultural activities, wildfires, and fuel combustion, demonstrated the highest risk of COVID-19 mortality. Additionally, the research suggests that individuals in lower socioeconomic groups and those with pre-existing chronic cardiorespiratory diseases, influenza, or dementia may be particularly vulnerable.
Reference:
- Long-term exposure to air pollution and risk of SARS-CoV-2 infection and COVID-19 hospitalisation or death: Danish nationwide cohort study - (https://pubmed.ncbi.nlm.nih.gov/37343976/)
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