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medRxiv. 2020 Aug 18; doi: 10.1101/2020.08.17.20176552.

SARS-CoV-2 antibody responses in children with MIS-C and mild and severe COVID-19.

medRxiv : the preprint server for health sciences

Elizabeth M Anderson, Caroline Diorio, Eileen C Goodwin, Kevin O McNerney, Madison E Weirick, Sigrid Gouma, Marcus J Bolton, Claudia P Arevalo, Julie Chase, Philip Hicks, Tomaz B Manzoni, Amy E Baxter, Kurt P Andrea, Chakkapong Burudpakdee, Jessica H Lee, Laura A Vella, Sarah E Henrickson, Rebecca M Harris, E John Wherry, Paul Bates, Hamid Bassiri, Edward M Behrens, David T Teachey, Scott E Hensley

Affiliations

  1. Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA.
  2. These authors contributed equally to this work: Elizabeth M. Anderson and Caroline Diorio.
  3. Immune Dysregulation Frontier Program, Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
  4. Division of Oncology, Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
  5. Division of Rheumatology, Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
  6. School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA USA.
  7. Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
  8. Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA.
  9. Division of Infectious Diseases, Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
  10. Division of Allergy and Immunology, Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
  11. Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
  12. Penn Center for Research on Coronavirus and Other Emerging Pathogens, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.

PMID: 32839782 PMCID: PMC7444298 DOI: 10.1101/2020.08.17.20176552

Abstract

SARS-CoV-2 antibody responses in children remain poorly characterized. Here, we show that pediatric patients with multisystem inflammatory syndrome in children (MIS-C) possess higher SARS-CoV-2 spike IgG titers compared to those with severe coronavirus disease 2019 (COVID-19), likely reflecting a longer time since onset of infection in MIS-C patients.

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