#EULAR LB0003 Pfizer #COVID vax immunogenicity and safety in 686 rheum pts in Israel ⭐️Sero+ for COVID Ab 86% in RMD vs 100% controls ⭐️RTX lowest seropos of 39%, related to time of infusion ⭐️⬇️ with GC, ABA, MMF ⭐️ MTX not seen to significantly ⬇️ @RheumNow @rheum_covid