FILE - In this Nov. 14, 2020 file photo, a medic cares for corona patients at a hospital in Idlib, Syria. The World Health Organization said Tuesday, March 23, 2021, that a vaccination campaign against coronavirus will begin in war-torn Syria in April with the aim of inoculating 20% of the population before the end of 2021. (AP Photo/Ghaith Alsayed, File)

FILE - In this Nov. 14, 2020 file photo, civil defense personnel take the body of a person who died of corona virus from a hospital in Idlib, Syria. The World Health Organization said Tuesday, March 23, 2021, that a vaccination campaign against coronavirus will begin in war-torn Syria in April with the aim of inoculating 20% of the population before the end of 2021. (AP Photo/Ghaith Alsayed, File)

FILE - This file photo released July. 19, 2020 on the official Facebook page of Syrian Presidency, shows Syrian President Bashar Assad, left, and his wife Asma voting at a polling station in the parliamentary elections, in Damascus, Syria. The office of Syrian President Bashar Assad said Monday, March 8, 2021 that Assad and his wife have tested positive for the coronavirus and are both doing well. In a statement, Assad's office said the first couple did PCR tests after they felt minor symptoms consistent with the COVID-19 illness. (Syrian Presidency via AP, File)