Group of celiacs is called?

So I’m on a tour of Japan, and there are 3 gf people in my 16 person tour, including another Celiac! My husband and I have been trying to figure out what a group of celiacs would be called - like a flamboyance of flamingos or a murder of crows. So far my favorite is ‘a contamination of celiacs’ but I wanted to crowd source this.