Ambulances are seen at a hospital in Kommunarka outside Moscow, Russia, on Dec. 3, 2020. Russia registered 28,145 new coronavirus cases in the past 24 hours, the highest number of daily increase to date, the country's COVID-19 response center said Thursday. The country has recorded 2,375,546 coronavirus infections over the course of the pandemic, making its caseload the fourth highest in the world. (Photo by Alexander Zemlianichenko Jr/Xinhua)

A medical worker wearing protective gear pushes a wheelchair at a hospital in Kommunarka outside Moscow, Russia, on Dec. 3, 2020. Russia registered 28,145 new coronavirus cases in the past 24 hours, the highest number of daily increase to date, the country's COVID-19 response center said Thursday. The country has recorded 2,375,546 coronavirus infections over the course of the pandemic, making its caseload the fourth highest in the world. (Photo by Alexander Zemlianichenko Jr/Xinhua)

A medical worker wearing protective gear pushes a woman, who is suspected of contracting the coronavirus, in a wheelchair to a hospital in Kommunarka outside Moscow, Russia, on Dec. 3, 2020. Russia registered 28,145 new coronavirus cases in the past 24 hours, the highest number of daily increase to date, the country's COVID-19 response center said Thursday. The country has recorded 2,375,546 coronavirus infections over the course of the pandemic, making its caseload the fourth highest in the world. (Photo by Alexander Zemlianichenko Jr/Xinhua)

An ambulance drives into a hospital in Kommunarka outside Moscow, Russia, on Dec. 3, 2020. Russia registered 28,145 new coronavirus cases in the past 24 hours, the highest number of daily increase to date, the country's COVID-19 response center said Thursday. The country has recorded 2,375,546 coronavirus infections over the course of the pandemic, making its caseload the fourth highest in the world. (Photo by Alexander Zemlianichenko Jr/Xinhua)

A medical worker wearing protective gear moves an ambulance trolley at a hospital in Kommunarka outside Moscow, Russia, on Dec. 3, 2020. Russia registered 28,145 new coronavirus cases in the past 24 hours, the highest number of daily increase to date, the country's COVID-19 response center said Thursday. The country has recorded 2,375,546 coronavirus infections over the course of the pandemic, making its caseload the fourth highest in the world. (Photo by Alexander Zemlianichenko Jr/Xinhua)

An ambulance drives to a hospital in Kommunarka outside Moscow, Russia, on Dec. 3, 2020. Russia registered 28,145 new coronavirus cases in the past 24 hours, the highest number of daily increase to date, the country's COVID-19 response center said Thursday. The country has recorded 2,375,546 coronavirus infections over the course of the pandemic, making its caseload the fourth highest in the world. (Photo by Alexander Zemlianichenko Jr/Xinhua)