Cross-reactive immunity against the SARS-CoV-2 Omicron variant is low in pediatric patients with prior COVID-19 or MIS-C.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
27 05 2022
27 05 2022
Historique:
received:
18
03
2022
accepted:
10
05
2022
entrez:
27
5
2022
pubmed:
28
5
2022
medline:
1
6
2022
Statut:
epublish
Résumé
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.
Identifiants
pubmed: 35624101
doi: 10.1038/s41467-022-30649-1
pii: 10.1038/s41467-022-30649-1
pmc: PMC9142524
doi:
Substances chimiques
Antibodies, Viral
0
Membrane Glycoproteins
0
Spike Glycoprotein, Coronavirus
0
Viral Envelope Proteins
0
spike protein, SARS-CoV-2
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
2979Subventions
Organisme : NICHD NIH HHS
ID : K23 HD096018
Pays : United States
Organisme : NHLBI NIH HHS
ID : K23 HL146936
Pays : United States
Organisme : NHLBI NIH HHS
ID : K23 HL150244
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI084011
Pays : United States
Commentaires et corrections
Type : ErratumIn
Informations de copyright
© 2022. This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply.
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