Abst 1550 #acr21 @RheumNow @bryan_neel rheum pts after covid 19 vaccine: 18.9% reported SEs after the 1st dose,33.1% after 2nd dose. most frequent SEs fever, HA, fatigue & arthromyalgia. All mild&self resolved. Disease flare in 1/180 pts (0.6%) 1st dose 4/118 (3.4%) 2nd dose https://t.co/5AB5CJfYt8