RT Journal Article SR Electronic T1 Dr. Favalli, et al reply JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP jrheum.200723 DO 10.3899/jrheum.200723 A1 Ennio Giulio Favalli A1 Elena Agape A1 Roberto Caporali YR 2020 UL http://www.jrheum.org/content/early/2020/06/09/jrheum.200723.abstract AB We thank Dr. So, et al1 for the interest in our letter2 and for sharing the results about the coronavirus disease 2019 (COVID-19) in patients with systemic lupus erythematosus (SLE) in Hong Kong1. We agree that the quantification of the risk of infection with severe acute respiratory coronaviruses-2 (SARS-CoV-2) in patients with SLE is a major concern.