German study links long-term exposure to air pollution before the pandemic to greater risk of severe COVID-19

Long-term exposure to air pollution is linked to a greater risk of severe COVID-19, new research being presented at Euroanaesthesia, the annual meeting of the European Society of Anaesthesiology and Intensive Care (ESAIC) in Milan, Italy (4-6 June), finds.

source https://medicalxpress.com/news/2022-06-german-links-long-term-exposure-air.html