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  • Response to: ‘Monitoring of patients with systemic lupus erythematosus during the COVID-19 outbreak’ by Holubar et al

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Correspondence response
Response to: ‘Monitoring of patients with systemic lupus erythematosus during the COVID-19 outbreak’ by Holubar et al
  1. Alexis Mathian,
  2. Zahir Amoura
  1. Sorbonne Université, Assistance Publique–Hôpitaux de Paris, Groupement Hospitalier Pitié–Salpêtrière, French National Referral Center for Systemic Lupus Erythematosus, Antiphospholipid Antibody Syndrome and Other Autoimmune Disorders, Service de Médecine Interne 2, Institut E3M, Inserm UMRS, Centre d’Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
  1. Correspondence to Dr Alexis Mathian, Internal Medicine, University Hospital Pitié Salpêtrière, 75013 Paris, France; alexis.mathian{at}aphp.fr

https://doi.org/10.1136/annrheumdis-2020-217988

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    We thank Holubar 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 Their results showing a low incidence of symptoms of viral infections in a population of patients with SLE corroborates those from Favalli et al,3 suggesting that the impact of COVID-19 in patients with SLE is rather low. However, as acknowledged by Holubar et al, the prevalence of COVID-19 in the general population is very low as well, and even lower in regions, such as Occitanie in Southern France where the study of Holubar et al was carried out between 1 February and 24 April.1 2 By 11 May, Salje et al estimated that …

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    Footnotes

    • Handling editor Josef S Smolen

    • Contributors Both authors wrote the response letter.

    • 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.

    • Patient consent for publication Not required.

    • Provenance and peer review Commissioned; internally peer reviewed.

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