Research advances in Coronavirus Disease 2019 and rheumatoid arthritis

Rheumatoid arthritis(RA) is an autoimmune disease characterized by chronic synovial inflammation,which eventually leads to different degrees of bone and cartilage erosion,even disability of joint.The patients of Coronavirus Disease 2019(COVID-19) can have musculoskeletal symptoms,and the mortality rate of critical patients is high.Cytokines play an important role in the pathogenesis of RA and COVID-19,the exact mechanism of which is unknown,and commonly used drugs of RA may guide the treatment of COVID-19.This article mainly reviewed the correlation between COVID-19 and RA in order to further improve the understanding of thepathogenesis,clinical manifestations,and treatment drugs of the disease and improve patients' outcomes.