Several top artists have also spoken out in response to the death and subsequent demonstrations, some of which have turned violent.
A white former police officer and his son were arrested on Thursday in Georgia and charged with murder in the shooting death of an unarmed black man, an incident that touched off a furor in the community and among civil rights activists nationwide.
The United States surpassed Italy on Saturday to become the country with the highest number of recorded coronavirus deaths, reporting more than 19,600 fatalities since the outbreak began, according to a Reuters tally.
A Russian military transport plane took off from an airfield outside Moscow early on Wednesday and headed for the United States with a load of medical equipment and masks to help Washington fight coronavirus, Russian state TV reported.
The United States has the most confirmed cases in the world, a number that is likely to soar when tests for the virus become more widespread.
The sum of known coronavirus U.S. cases soared well past 100,000, with more than 1,600 dead, as weary doctors and nurses coping with shortages resorted to extremes ranging from hiding scarce medical supplies to buying them on the black market.
Facebook Inc said on Friday it was allowing U.S.-based political candidates to run branded content on its social networking platforms, but the content would not be catalogued in its advertising library.
Hundreds of thousands of Iranians thronged Tehran's streets on Monday for the funeral of military commander Qassem Soleimani, killed by a U.S. drone strike last week, and his daughter said his death would bring a "dark day" for the United States.
Soleimani's killing marks a dramatic escalation in the regional "shadow war" between Iran and the US and its allies, principally Israel and Saudi Arabia, which could quickly ratchet up tit-for-tat attacks - all the way to the brink of all-out war.