https://www.worldometers.info/coronavirus/country/us/
(3.38 - 2.85) + (3.46 - 2.85) = 1.14M, 和新冠死亡人数大致相同.
https://www.statista.com/statistics/195920/number-of-deaths-in-the-united-states-since-1990/
https://www.worldometers.info/coronavirus/country/us/
(3.38 - 2.85) + (3.46 - 2.85) = 1.14M, 和新冠死亡人数大致相同.
https://www.statista.com/statistics/195920/number-of-deaths-in-the-united-states-since-1990/