WILEY In a study of 1,377 patients with rheumatic and musculoskeletal diseases—such as inflammatory arthritis and lupus—flares of their conditions were uncommon following two-dose COVID-19 mRNA vaccination. In a study of 1,377 patients with rheumatic and musculoskeletal diseases—such as inflammatory arthritis and lupus—flares of their conditions were uncommon following two-dose COVID-19 mRNA vaccination. In the Arthritis...