In this Sunday, March 1, 2020, photo, a Revolutionary Guard member disinfects a truck to help prevent the spread of the new coronavirus in the city of Sanandaj, western Iran. Wearing gas masks and waterproof fatigues, members of Iran's Revolutionary Guard now spray down streets and hospitals with disinfectants as the Islamic Republic faces one of the world's worst outbreaks of the new coronavirus. (Keyvan Firouzei/Tasnim News Agency via AP)

March 6, 2020