April; New York City; United States

epidemic; New York State

Sanitary measures during COVID-19 pandemic in Teheran, Iran.

Sanitary measures during COVID-19 pandemic in Teheran, Iran.

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