People wearing protective masks during COVID-19 pandemic in Teheran, Iran.

People wearing protective masks during COVID-19 pandemic in Teheran, Iran.

MOSCOW, RUSSIA - MAY 27, 2020: A medical worker wipes her face after leaving the 'red zone' at the inpatient ward of the RZD Medicine central clinical hospital in Moscow's Volokolamskoye Highway re

MOSCOW, RUSSIA - MAY 22, 2020: A medical staff member in protective gear in the intensive care unit of the COVID-19 ward during the pandemic of the novel coronavirus disease (COVID -19).

MOSCOW, RUSSIA - APRIL 24, 2020: A medical staff member in protective gear and a young patient during a CT scan in the center for infectious diseases. Valery Sharifulin/TASS

MOSCOW, APRIL 24, 2020: A medical staff member and a young patient in the center for infectious diseases. Valery Sharifulin/TASS

A hospital in Tokmok town. Ibraim Nurakun uulu with his doctor. June 21, 2020

Medical observation in Bishkek organized at Ak-Keme Hotel. April 2020

Empty streets of the capital city during the lockdown. April 19, 2020

Photo taken on Jan. 27, 2020 shows Zhang Dingyu, president of Wuhan Jinyintan Hospital, coordinates work via an intercom (Photo provided to Xinhua)