WASHINGTON : The risk of Coronavirus may enhance on exposure to urban air pollutants, suggests a research study."Both long-term and short-term exposure to air pollution has been associated with direct and indirect systemic impact on the human body by enhancing oxidative stress, acute inflammation, and respiratory infection risk," says Donghai Liang of Emory University, co-first author on the recent paper along with Liuhua Shi.In a recent study, researchers analyzed key urban air pollutants, including fine particle matter (PM2.5), nitrogen dioxide (NO2), and ozone (O3), across 3,122 counties in the United States from January to July.To examine the association between ambient air pollutants and the severity of COVID-19 outcomes, they.