The Philadelphia Archdiocese marked World Mission Sunday with an Oct. 24 liturgy at the Cathedral Basilica of SS. Peter and Paul, at which members of the Catholic Medical Association were welcomed for their annual White Mass.

(Read our feature story on World Mission Sunday and the annual White Mass.)

During the liturgy, celebrant Archbishop Nelson Pérez honored both the winners of the Missionary Childhood Association’s Annual Christmas Artwork Contest, as well as members of the Catholic Medical Association, who were on hand for their annual White Mass.

(All photos by Sarah Webb.)