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Association between previous rheumatoid arthritis and COVID-19 and its severity: a nationwide cohort study in South Korea.

Younghee JungMihye KwonHyo Geun Choi
Published in: BMJ open (2021)
We did not find an association between the presence of RA and COVID-19. In addition, RA was not associated with the severity of COVID-19.
Keyphrases
  • coronavirus disease
  • rheumatoid arthritis
  • sars cov
  • disease activity
  • ankylosing spondylitis
  • interstitial lung disease
  • systemic lupus erythematosus