A priest celebrates Mass Dec. 25, 2019, at St. George Chaldean Church in Baghdad. In a decree issued Dec. 16, the Congregation for Divine Worship stated that due to the COVID-19 pandemic, priests are allowed to celebrate up to four Masses on Christmas Day, as well as the Jan. 1 feast of Mary, Mother of God, and the Jan. 6 feast of the Epiphany. (CNS/Reuters/Khalid al Mousily)