Article Text
Correspondence
Hydroxychloroquine ineffective for COVID-19 prophylaxis in lupus and rheumatoid arthritis
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Footnotes
Correction notice This article has been corrected since it published Online First. A typographical error in the title has been corrected.
Contributors MES designed the study, made the statistical analysis and drafted the manuscript. DCK provided access to the data. DCK and MJA assisted in the design and revised 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 Not commissioned; internally peer reviewed.