FILE - In this July 6, 2020, file photo, Dr. Joseph Varon, right, leads a team as they try to save the life of a patient unsuccessfully inside the Coronavirus Unit at United Memorial Medical Center, Monday, July 6, 2020, in Houston. The U.S. death toll from the coronavirus topped 200,000 Tuesday, Sept. 22, a figure unimaginable eight months ago when the scourge first reached the world’s richest nation with its sparkling laboratories, top-flight scientists and towering stockpiles of medicines and emergency supplies. (AP Photo/David J. Phillip, File)

FILE - In this July 31, 2020, file photo, Romelia Navarro, right, is comforted by nurse Michele Younkin as she weeps while sitting at the bedside of her dying husband, Antonio, in St. Jude Medical Center's COVID-19 unit in Fullerton, Calif. The U.S. death toll from the coronavirus topped 200,000 Tuesday, Sept. 22, a figure unimaginable eight months ago when the scourge first reached the world’s richest nation with its sparkling laboratories, top-flight scientists and towering stockpiles of medicines and emergency supplies. (AP Photo/Jae C. Hong, File)

FILE - In this May 28, 2020, file photo, a woman passes a fence outside Brooklyn's Green-Wood Cemetery adorned with tributes to victims of COVID-19 in New York. The U.S. death toll from the coronavirus topped 200,000 Tuesday, Sept. 22, a figure unimaginable eight months ago when the scourge first reached the world’s richest nation with its sparkling laboratories, top-flight scientists and towering stockpiles of medicines and emergency supplies. (AP Photo/Mark Lennihan, File)

FILE - In this Aug. 31, 2020, file photo, some of the nearly 900 large poster-sized photos of Detroit victims of COVID-19 are displayed on Belle Isle in Detroit. The U.S. death toll from the coronavirus topped 200,000 Tuesday, Sept. 22, a figure unimaginable eight months ago when the scourge first reached the world’s richest nation with its sparkling laboratories, top-flight scientists and towering stockpiles of medicines and emergency supplies. (AP Photo/Carlos Osorio, File)

Healthcare workers line up for free personal protective equipment in front of a mural by artist Romero Britto at Jackson Memorial Hospital, Tuesday, Sept. 22, 2020, in Miami. Hundreds of workers lined up for the PPE given out by the New York nonprofit Cut Red Tape 4 Heroes. (AP Photo/Wilfredo Lee)

Activists from the COVID Memorial Project mark the deaths of 200,000 lives lost in the U.S. to COVID-19 after placing thousands of small American flags on the grounds of the National Mall in Washington, Tuesday, Sept. 22, 2020. (AP Photo/J. Scott Applewhite)

FILE - In this March 28, 2020, file photo, medical and physician assistant students wear personal protective equipment as they prepare to screen for possible coronavirus cases at a makeshift camp for the homeless in Las Vegas. The U.S. death toll from the coronavirus topped 200,000 Tuesday, Sept. 22, a figure unimaginable eight months ago when the scourge first reached the world’s richest nation with its sparkling laboratories, top-flight scientists and towering stockpiles of medicines and emergency supplies. (AP Photo/John Locher, File)