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Cross-reactive immunity against the SARS-CoV-2 Omicron variant is low in pediatric patients with prior COVID-19 or MIS-C

  • Juanjie Tang
  • , Tanya Novak
  • , Julian Hecker
  • , Gabrielle Grubbs
  • , Fatema Tuz Zahra
  • , Lorenza Bellusci
  • , Sara Pourhashemi
  • , Janet Chou
  • , Kristin Moffitt
  • , Natasha B. Halasa
  • , Stephanie P. Schwartz
  • , Tracie C. Walker
  • , Keiko M. Tarquinio
  • , Matt S. Zinter
  • , Mary A. Staat
  • , Shira J. Gertz
  • , Natalie Z. Cvijanovich
  • , Jennifer E. Schuster
  • , Laura L. Loftis
  • , Bria M. Coates
  • Elizabeth H. Mack, Katherine Irby, Julie C. Fitzgerald, Courtney M. Rowan, Michele Kong, Heidi R. Flori, Aline B. Maddux, Steven L. Shein, Hillary Crandall, Janet R. Hume, Charlotte V. Hobbs, Adriana H. Tremoulet, Chisato Shimizu, Jane C. Burns, Sabrina R. Chen, Hye Kyung Moon, Christoph Lange, Adrienne G. Randolph, Surender Khurana
  • United States Food and Drug Administration
  • Boston Children's Hospital
  • Harvard University
  • Brigham and Women's Hospital
  • Vanderbilt University
  • University of North Carolina at Chapel Hill
  • Emory University
  • University of California at San Francisco
  • University of Cincinnati
  • Cooperman Barnabas Medical Center
  • UCSF Benioff Children's Hospital Oakland
  • Children's Mercy Hospitals and Clinics
  • Baylor College of Medicine
  • Northwestern University
  • Medical University of South Carolina
  • University of Arkansas for Medical Sciences
  • University of Pennsylvania
  • Indiana University Bloomington
  • Division of Pediatric Critical Care
  • University of Michigan, Ann Arbor
  • University of Colorado Anschutz Medical Campus
  • Case Western Reserve University
  • University of Utah
  • University of Minnesota Twin Cities
  • University of Mississippi
  • Rady Children's Hospital

Producción científicarevisión exhaustiva

40 Citas (Scopus)

Resumen

Neutralization capacity of antibodies against Omicron after a prior SARS-CoV-2 infection in children and adolescents is not well studied. Therefore, we evaluated virus-neutralizing capacity against SARS-CoV-2 Alpha, Beta, Gamma, Delta and Omicron variants by age-stratified analyses (<5, 5–11, 12–21 years) in 177 pediatric patients hospitalized with severe acute COVID-19, acute MIS-C, and in convalescent samples of outpatients with mild COVID-19 during 2020 and early 2021. Across all patients, less than 10% show neutralizing antibody titers against Omicron. Children <5 years of age hospitalized with severe acute COVID-19 have lower neutralizing antibodies to SARS-CoV-2 variants compared with patients >5 years of age. As expected, convalescent pediatric COVID-19 and MIS-C cohorts demonstrate higher neutralization titers than hospitalized acute COVID-19 patients. Overall, children and adolescents show some loss of cross-neutralization against all variants, with the most pronounced loss against Omicron. In contrast to SARS-CoV-2 infection, children vaccinated twice demonstrated higher titers against Alpha, Beta, Gamma, Delta and Omicron. These findings can influence transmission, re-infection and the clinical disease outcome from emerging SARS-CoV-2 variants and supports the need for vaccination in children.

Idioma originalEnglish
Número de artículo2979
PublicaciónNature Communications
Volumen13
N.º1
DOI
EstadoPublished - dic 2022
Publicado de forma externa

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