Research Article: Rheumatoid arthritis-associated rheumatoid factors post-COVID-19
Introduction:
Objective: Rheumatoid factors (RFs) are a hallmark of rheumatoid arthritis but also arise in infections, including COVID-19. Moreover, infections, again including COVID-19, are associated with rheumatoid arthritis development, positioning RFs as a potential link between infection and rheumatoid arthritis. RFs traditionally have been thought to be relatively uniform in their reactivity across conditions apart from some increased reactivity in rheumatoid arthritis. Recently, however, IgG RFs that bind citrulline-…
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