"67.5% of 200 homosexual men but only 16% of 100 heterosexual men were found to be infected with intestinal parasites."
https://pmc.ncbi.nlm.nih.gov/articles/PMC1704818/
"Sexually acquired enteric infections among men who have sex with men"
https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(22)00813-1/abstract
