No Covid, no previous auto immune problems. Pain began in arm where Inreceived second shot. First I thought it was just a normal reaction but pain intensified and spread to shoulder and across to my other arm and shoulder over a two week period. I also had stiffness in arms,shoulders and hips. Progressed to where I couldn’t turn in bed, pull off the covers, pull up my pants or underwear. My second shot was February 15, Got diagnosed with PMR by rheumatologist April 6 ,started Prednisone with improvement. Last week also told I have RA and Plaquenel was added. I hope my story helps!