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No increased rate of SARS-CoV-2 infection for patients with inflammatory rheumatic diseases compared with the general population in the city of Hamburg (Germany)
  1. Peer Aries1,
  2. Christof Iking-Konert2
  1. 1 Rheumatologie und klinische Immunolgie, Rheumatologie im Struenseehaus, Hamburg, Germany
  2. 2 Nephrology and Rheumatology, Department of Medicine III, University of Hamburg Faculty of Medicine, Hamburg, Germany
  1. Correspondence to Dr Christof Iking-Konert, Nephrology and Rheumatology, Department of Medicine III, University of Hamburg Faculty of Medicine, Hamburg 20146, Germany; c.iking-konert{at}uke.de

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We highly appreciated the work on the paper by Gianfrancesco et al.1 While this large international registry provides information, for example, about the course of the disease in regard to the intensity of immunosuppression or complications, they do not allow any conclusions about the actual incidence rate of infections in patients with rheumatic diseases compared with the overall population. In addition to the data by Gianfrancesco et al we here like to share our data and experience of the Hamburg COVID-19 registry.

Until 9 June 2020, a total of 5120 proven severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections were reported in Hamburg.2 This corresponds to 0.28% of the total population of the city of Hamburg (1.814 million inhabitants), …

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Footnotes

  • Collaborators K Ahmadi, A von Alt Stutterheim, E Barth, H Bisinger, P Bremer, S El-Nawab-Becker, A Gödde, H Heintz, M Janneck, S Kahl, M Kern, B Panzer, C Platzek, L Roth, M Schaposchnikow, A Schiewek-Güsmer, U Schnoor, S Tatzis, H Tremel, B. Varoga, J. Veigel, W. Winter, J Wollenhaupt.

  • Contributors Both authors contributed equally in collecting and analysing the data as well as in writing 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.