A new Vatican letter to Catholic bishops worldwide has stirred up questions again over what kinds of bread and wafers should be used during communion in Catholic churches around the world. The letter sparked concerns for those who avoid eating gluten, including people who have celiac disease.

The letter drew attention from media outlets around the globe, but it actually reaffirmed earlier guidelines saying that bread and wafers must have at least some gluten in them. The U.S. Conference of Catholic Bishops already has guidelines allowing churches to use low-gluten wafers and nothing will change in American Catholic churches, said Andrew Menke, executive director of the Secretariat of Divine Worship.