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Cross-sectional seroprevalence surveys of SARS-CoV-2 antibodies in children in Germany, June 2020 to May 2021.
Sorg, Anna-Lisa; Bergfeld, Leon; Jank, Marietta; Corman, Victor; Semmler, Ilia; Goertz, Anna; Beyerlein, Andreas; Verjans, Eva; Wagner, Norbert; Von Bernuth, Horst; Lander, Fabian; Weil, Katharina; Hufnagel, Markus; Spiekerkoetter, Ute; Chao, Cho-Ming; Naehrlich, Lutz; Muntau, Ania Carolina; Schulze-Sturm, Ulf; Hansen, Gesine; Wetzke, Martin; Jung, Anna-Maria; Niehues, Tim; Fricke-Otto, Susanne; Von Both, Ulrich; Huebner, Johannes; Behrends, Uta; Liese, Johannes G; Schwerk, Christian; Drosten, Christian; Von Kries, Ruediger; Schroten, Horst.
  • Sorg AL; Institute of Social Paediatrics and Adolescent Medicine, Division of Paediatric Epidemiology, Ludwig-Maximilians-University Munich, 80336, Munich, Germany.
  • Bergfeld L; University Children's Hospital, Eberhard Karls University, 72076, Tuebingen, Germany.
  • Jank M; Institute of Virology, Charité Universitätsmedizin Berlin, 10117, Berlin, Germany.
  • Corman V; Paediatric Infectious Diseases, Department of Paediatrics, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany.
  • Semmler I; Institute of Virology, Charité Universitätsmedizin Berlin, 10117, Berlin, Germany.
  • Goertz A; Institute of Virology, Charité Universitätsmedizin Berlin, 10117, Berlin, Germany.
  • Beyerlein A; Paediatric Infectious Diseases, Department of Paediatrics, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany.
  • Verjans E; Institute of Social Paediatrics and Adolescent Medicine, Division of Paediatric Epidemiology, Ludwig-Maximilians-University Munich, 80336, Munich, Germany.
  • Wagner N; Department of Paediatrics, Medical Faculty, University Hospital RWTH Aachen, 52074, Aachen, Germany.
  • Von Bernuth H; Department of Paediatrics, Medical Faculty, University Hospital RWTH Aachen, 52074, Aachen, Germany.
  • Lander F; Department of Paediatric Respiratory Medicine, Immunology, and Critical Care Medicine, Charité Universitätsmedizin Berlin, 13353, Berlin, Germany.
  • Weil K; Department of Paediatrics, University Hospital, and Medical Faculty Carl Gustav Carus, Technical University (TU) Dresden, 01307, Dresden, Germany.
  • Hufnagel M; Department of General Paediatrics, Neonatology, and Paediatric Cardiology, Medical Faculty, University Hospital, Heinrich-Heine-University Düsseldorf, 40225, Düsseldorf, Germany.
  • Spiekerkoetter U; Department of Paediatrics and Adolescent Medicine, University Medical Centre, Medical Faculty, University of Freiburg, 79106, Freiburg, Germany.
  • Chao CM; Department of Paediatrics and Adolescent Medicine, University Medical Centre, Medical Faculty, University of Freiburg, 79106, Freiburg, Germany.
  • Naehrlich L; University Medical Centre Rostock, Department of Paediatrics, University of Rostock, 18057, Rostock, Germany.
  • Muntau AC; Universities of Giessen and Marburg Lung Centre, German Centre of Lung Research, Department of Paediatrics, Justus-Liebig-University Giessen, 35392, Giessen, Germany.
  • Schulze-Sturm U; Universities of Giessen and Marburg Lung Centre, German Centre of Lung Research, Department of Paediatrics, Justus-Liebig-University Giessen, 35392, Giessen, Germany.
  • Hansen G; University Children's Hospital, University Medical Centre Hamburg- Eppendorf, 20246, Hamburg, Germany.
  • Wetzke M; University Children's Hospital, University Medical Centre Hamburg- Eppendorf, 20246, Hamburg, Germany.
  • Jung AM; Centre for Paediatrics and Adolescent Medicine, Hannover Medical School, Excellence Cluster RESIST, Deutsche Forschungsgemeinschaft (DFG), EXS 2155, 30625, Hannover, Germany.
  • Niehues T; Centre for Paediatrics and Adolescent Medicine, Hannover Medical School, Excellence Cluster RESIST, Deutsche Forschungsgemeinschaft (DFG), EXS 2155, 30625, Hannover, Germany.
  • Fricke-Otto S; Department of General Paediatrics, Neonatology, Children's Hospital Medical Centre, Saarland University Hospital, 66421, Homburg/Saar, Germany.
  • Von Both U; Department of Paediatrics, Helios Klinikum Krefeld, 47805, Krefeld, Germany.
  • Huebner J; Department of Paediatrics, Helios Klinikum Krefeld, 47805, Krefeld, Germany.
  • Liese JG; Dr von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University, 80337, Munich, Germany.
  • Schwerk C; Department of Paediatrics, Faculty of Medicine, Technical University Munich, 80804, Munich, Germany.
  • Drosten C; University Hospital of Wuerzburg, Department of Paediatrics, Division of Paediatric Infectious Diseases, 97080, Wuerzburg, Germany.
  • Von Kries R; Paediatric Infectious Diseases, Department of Paediatrics, Medical Faculty Mannheim, Heidelberg University, 68167, Mannheim, Germany.
  • Schroten H; Institute of Virology, Charité Universitätsmedizin Berlin, 10117, Berlin, Germany.
Nat Commun ; 13(1): 3128, 2022 06 06.
Article in English | MEDLINE | ID: covidwho-1878524
ABSTRACT
The rate of SARS-CoV-2 infections in children remains unclear due to many asymptomatic cases. We present a study of cross-sectional seroprevalence surveys of anti-SARS-CoV-2 IgG in 10,358 children recruited in paediatric hospitals across Germany from June 2020 to May 2021. Seropositivity increased from 2.0% (95% CI 1.6, 2.5) to 10.8% (95% CI 8.7, 12.9) in March 2021 with little change up to May 2021. Rates increased by migrant background (2.8%, 4.4% and 7.8% for no, one and two parents born outside Germany). Children under three were initially 3.6 (95% CI 2.3, 5.7) times more likely to be seropositive with levels equalising later. The ratio of seropositive cases per recalled infection decreased from 8.6 to 2.8. Since seropositivity exceeds the rate of recalled infections considerably, serologic testing may provide a more valid estimate of infections, which is required to assess both the spread and the risk for severe outcomes of SARS-CoV-2 infections.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Limits: Child / Humans Country/Region as subject: Europa Language: English Journal: Nat Commun Journal subject: Biology / Science Year: 2022 Document Type: Article Affiliation country: S41467-022-30482-6

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Full text: Available Collection: International databases Database: MEDLINE Main subject: SARS-CoV-2 / COVID-19 Type of study: Observational study / Prognostic study / Randomized controlled trials Limits: Child / Humans Country/Region as subject: Europa Language: English Journal: Nat Commun Journal subject: Biology / Science Year: 2022 Document Type: Article Affiliation country: S41467-022-30482-6