Even at beginning of C20th Muslims requested Christians to parade the relics of their saints as a means of driving off an epidemic.
@byzantinepower I read several accounts of this in what is now called Turkey.
@byzantinepower Seven Sleepers of Ephesus are mentioned in the Koran
@byzantinepower The Chronicle of Seert is all over this sort of thing in the late sixth century between Zoroastrians and Christians.
During the procession on Good Friday barren muslim women passed under the cloth on which is stamped the figure of Christ in hopes that they may bear children.