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We thank Goyal et al for their interest in our study reporting on the course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) disease 2019 (COVID-19) in a case series of patients with systemic lupus erythematosus (SLE) under long-term treatment with hydroxychloroquine.1 2 Goyal et al, on a series of 845 patients with SLE, reported symptoms compatible with COVID-19 in 17 (2.0%) and confirmed COVID-19 in only 1 (0.1%) of the patients. The very low frequency of COVID-19 in these patients reflects the low incidence of SARS-Cov-2 infection in the Indian population at the completion of their study. However, since then, the …
Footnotes
Handling editor Josef S Smolen
Contributors AM and ZA wrote the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.
Provenance and peer review Commissioned; internally peer reviewed.