TY - JOUR A1 - Dowd, J.B. A1 - Andriano, L. A1 - Brazel, D.M. A1 - Rotondi, V. A1 - Block, P. A1 - Ding, X. A1 - Liu, Y. A1 - Mills, M.C. T1 - Demographic science aids in understanding the spread and fatality rates of COVID-19 Y1 - 2020 DO - 10.1073/pnas.2004911117 VL - 117 IS - 18 ER -