#ACR21 Abst#0457: #COVID19 Vaccine Responses In Patients w Autoimmune Diseas ⭐️Prosp observ: pre-vax▶️5 mo. ⭐️ 90% +Ab responses, but ⬇️ titer ⭐️MMF 21x⬇️ titer, MTX 4.4x⬇️, AZA 3.5⬇️ ⭐️BCDT: 58, JAK: 2.6, TNF 2.3 ⭐️GC ⬇️ even on <5mg! https://t.co/BGU4CP9M0s @Rheumnow #ACRbest https://t.co/7QhsTGTwnZ