%0 Journal Article %J medRxiv %D 2020 %T Urban Air Pollution May Enhance COVID-19 Case-Fatality and Mortality Rates in the United States %A Liang, Donghai %A Shi, Liuhua %A Zhao, Jingxuan %A Liu, Pengfei %A Schwartz, Joel %A Gao, Song %A Sarnat, Jeremy %A Liu, Yang %A Ebelt, Stefanie %A Scovronick, Noah %A others %B medRxiv %I Cold Spring Harbor Laboratory Preprints %G eng