VACIMRA Study showed timing matters for Methotrexate and Pneumococcal Vaccine in RA. RA patients vaccinated with PCV13 1 month before MTX initiation had higher responder rates at 1 month: 88% (ELISA) vs. 75% 96% (OPA) vs. 88% At 12 months, responses remained stronger in… https://t.co/bSbIazsRtG