The two-day visit to Cairo at the end of April is an indication of the growing warmth in relations between the Catholic Church and the Muslim world.
The vocation to priesthood and celibacy have been conjoined in the Catholic Church "for a very long time and for good reasons" - Bishop Brendan Leahy.
The resolve of Christians in Egypt has been strengthened by ISIS' murder of 21 Christians in Libya according to Coptic Catholic Bishop Youssef Aboul-Kheir of Sohag.
