Dr. Cush ABSTRACT: 837 Efficacy of High-Dose Versus Standard-Dose Influenza Vaccine in Seropositive Rheumatoid Arthritis Patients —improved immune response to HD vs. SD for its on DMARDS +/- Biologics (except RTX), no increase Dz activity #ACR18 @Rheumnow https://t.co/pviGwSNeVK