记录历史：美国新冠病毒感染达900万（10/30/2020）

The U.S. Hits the 9-Million Mark as Infections Keep Surging

With daily reports of coronavirus cases in the United States surging to previously unseen heights, the country has crossed the threshold of nine million known infections since the pandemic began.

 

https://www.nytimes.com/live/2020/10/29/world/covid-19-coronavirus-updates?