The U.S. COVID-19 deaths surpassed the grim milestone of 500,000 on Monday as key indicators of virus transmission in the country have continued to fall, while emerging variants are causing fresh concerns.
Produced by Xinhua Global Service
GLOBALink | U.S. COVID-19 deaths surpass 500,000 as virus variants pose new threats
Source: Xinhua| 2021-02-23 15:45:45|Editor: huaxia
