⭐️AxSpA pts with decrease in oral microbial diversity ⭐️Immune response to oral/fecal microbes altered in AxSpA pts. ⭐️HLA-B27 associated ⬆️IgA coated microbes, may contribute to development of AxSpA Abs#0052 https://t.co/NQgm0lpYJj #ACR21 @RheumNow