人口：
331,002,651
感染率：
40%
The flu has an infection rate (prevalence) of 5-20%.
It is projected that COVID-19 to have an infection rate of 40-70%.
病死率：
6.9%
流感的死亡率为0.1%。
Currently COVID-19 is trending at 6.9% worldwide and 5.7% in the US.
已感染：
132,401,060
需要床位：
15%的感染者需要住院治疗。
需要通风：
5%的感染者将需要呼吸机。
死亡人数：
5,163,641