JDS Journal of Data Science 1683-8602 1680-743X 1680-743X School of Statistics, Renmin University of China JDS994D 10.6339/21-JDS994D Discussion Discussion of “Evaluate the Risk of Resumption of Business for the States of New York, New Jersey and Connecticut via a Pre-Symptomatic and Asymptomatic Transmission Model of COVID-19” YuShan1 WangGuannan2 WangLililywang@iastate.edu3∗ 1Department of Statistics, University of Virginia, Charlottesville, VA, USA 2Department of Mathematics, College of William & Mary, Williamsburg, VA, USA 3Department of Statistics, Iowa State University, Ames, IA, USA ∗Corresponding author. Email: lilywang@iastate.edu. 2021752021192206209 2021 The Author(s). Published by the School of Statistics and the Center for Applied Statistics, Renmin University of China.2021 Open access article under the CC BY license. Badr HS, Du H, Marshall M, Dong E, Squire MM, Gardner LM (2020). Association between mobility patterns and COVID-19 transmission in the USA: A mathematical modelling study. The Lancet Infectious Diseases, 20(11): 1247–1254. Kermack WO, McKendrick AG (1991). Contributions to the mathematical theory of epidemics-I. Bulletin of Mathematical Biology, 53(1–2): 33–55. Lawson AB, Banerjee S, Haining RP, Ugarte MD (2016). Handbook of Spatial Epidemiology. CRC Press. Li T, Liu Y, Li M, Qian X, Dai SY (2020). Mask or no mask for COVID-19: A public health and market study. PLOS One, 15(8): e0237691. Tian T, Tan J, Jiang Y, Wang X, Zhang H (2021). Evaluate the timing of resumption of business for the states of New York, New Jersey, and California via a pre-symptomatic and asymptomatic transmission model of COVID-19. Journal of Data Science, 19. In this issue. WHO (2020). Coronavirus disease 2019 (COVID-19). Situation Report 73.