Perrot Perrot L L Hemon Hemon M M Busnel Busnel JM JM Muis-Pistor Muis-Pistor O O Picard Picard C C Zandotti Zandotti C C Pham Pham T T Roudier Roudier J J Desplat-Jego Desplat-Jego S S Balandraud Balandraud N N First flare of ACPA-positive rheumatoid arthritis after SARS-CoV-2 infection First flare of ACPA-positive rheumatoid arthritis after SARS-CoV-2 infection Lancet Rheumatol Lancet Rheumatol 2021 2021 3 3 1 1 e6 e6 e8 e8 10.1016/S2665-9913(20)30396-9 10.1016/S2665-9913(20)30396-9 33521668 33521668. This evidence concerns the gene PRTN3 and rheumatoid arthritis.