Isphording, Ingo E. - 2020
We study the impact of short-term exposure to ambient air pollution on the spread and severity of COVID-19 in Germany … patients (80+ years): higher levels of air pollution by one standard deviation 3 to 12 days after developing symptoms increase … deaths by 30 percent (males) and 35 percent (females) of the mean. In addition, air pollution raises the number of confirmed …