A view of beds at a shopping mall, one of Iran's largest, which has been turned into a centre to receive patients suffering from the coronavirus disease (COVID-19), in Tehran, Iran, April 4, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Emergency medical staff wearing protective suits, sit in an ambulance while transferring a patient with coronavirus disease (COVID-19) to Masih Daneshvari Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A member of the Islamic Revolution Guards Corps (IRGC) troops measures a temperature, following the outbreak of coronavirus disease (COVID-19) at the entrance of Qom, Iran March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency) via REUTERS

Iranian men bury the journalist Abdollah Zavieh, who passed away due to coronavirus disease (COVID-19), at Behesht Zahra cemetery in Tehran, Iran, March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A volunteer from Basij forces wearing protective suit and face mask sprays disinfectant on the streets, amid the coronavirus disease (COVID-19) fears, in Tehran, Iran April 3, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Nurses wearing protective suits, prepare a patient with coronavirus disease (COVID-19) to be transferred to Masih Daneshvari Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A patient with coronavirus disease (COVID-19) lies in bed at the ICU of Sasan Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A cleric wearing a protective face mask, following the outbreak of coronavirus disease (COVID-19), walks on the street in Qom, Iran March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency) via REUTERS

A volunteer from Basij forces wearing protective suit and face mask sprays disinfectant on the streets, amid the coronavirus disease (COVID-19) fears, in Tehran, Iran April 3, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A member of emergency medical staff is disinfected after transferring a patient with coronavirus disease (COVID-19), in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A member of the Islamic Revolution Guards Corps (IRGC) troops measures a temperature, following the outbreak of coronavirus disease (COVID-19) at the entrance of Qom, Iran March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency) via REUTERS

A man wears a protective face mask, amid fear of coronavirus disease (COVID-19), as he walks at Mellat Park, in Tehran, Iran April 2, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Volunteers from Basij forces wearing protective suits and face masks spray disinfectant on the streets, amid the coronavirus disease (COVID-19) fears, in Tehran, Iran April 3, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Emergency medical staff and nurses wearing protective suits, transfer a patient with coronavirus disease (COVID-19) to Masih Daneshvari Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A volunteer and his son wearing a protective face mask and gloves, following the outbreak of coronavirus disease (COVID-19), disinfect a car in Qom, Iran March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency) via REUTERS

A relative reads Koran after burial of the journalist Abdollah Zavieh, who passed away due to coronavirus disease (COVID-19), at Behesht Zahra cemetery in Tehran, Iran, March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Volunteers from Basij forces wearing protective suits and face masks spray disinfectant, amid the coronavirus disease (COVID-19) fears, in Enghelab square in Tehran, Iran April 3, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A car passes on the street as volunteers from Basij forces wearing protective suits and face masks spray disinfectant, amid the coronavirus disease (COVID-19) fears, in Enghelab square in Tehran, Iran April 3, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Emergency medical staff wearing protective suits, transfer a patient with coronavirus disease (COVID-19) to Masih Daneshvari Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A member of emergency medical staff wearing protective suit, sits in an ambulance while transferring a patient with coronavirus disease (COVID-19) to Masih Daneshvari Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A member of the Islamic Revolution Guards Corps (IRGC) troops measures a temperature, following the outbreak of coronavirus disease (COVID-19) in the bus at the entrance of Qom, Iran March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency) via REUTERS

An Iranian soldier wears a protective face mask, amid fear of the coronavirus disease (COVID-19), as he sits in the metro in Tehran, Iran April 2, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

Volunteers from Basij forces wear protective face masks as they get ready to disinfect the streets, amid the coronavirus disease (COVID-19) fears, in Tehran, Iran April 3, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A member of the Islamic Revolution Guards Corps (IRGC) troops measures a temperature, following the outbreak of coronavirus disease (COVID-19) at the entrance of Qom, Iran March 24, 2020. Picture taken March 24, 2020. WANA (West Asia News Agency) via REUTERS

Nurses wearing protective suits, prepare a patient with coronavirus disease (COVID-19) to be transferred to Masih Daneshvari Hospital, in Tehran, Iran March 30, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS

A view of beds at a shopping mall, one of Iran's largest, which has been turned into a centre to receive patients suffering from the coronavirus disease (COVID-19), in Tehran, Iran, April 4, 2020. WANA (West Asia News Agency)/Ali Khara via REUTERS