TY - JOUR A1 - Fan, G. A1 - Yang, Z. A1 - Lin, Q. A1 - Zhao, S. A1 - Yang, L. A1 - He, D. T1 - Decreased case fatality rate of COVID‐19 in the second wave: A study in 53 countries or regions Y1 - 2021 DO - 10.1111/tbed.13819 VL - 68 IS - 2 ER -