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Children are unlikely to have been the primary source of household SARS-CoV-2 infections
Yanshan Zhu; Conor J Bloxham; Katina D Hulme; Jane E Sinclair; Zhen Wei Marcus Tong; Lauren E Steele; Ellesandra C Noye; Jiahai Lu; Yao Xia; Keng Yih Chew; Janessa Pickering; Charles Gilks; Asha C Bowen; Kirsty R Short.
Afiliación
  • Yanshan Zhu; The University of Queensland
  • Conor J Bloxham; The University of Queensland
  • Katina D Hulme; The University of Queensland
  • Jane E Sinclair; The University of Queensland
  • Zhen Wei Marcus Tong; The University of Queensland
  • Lauren E Steele; The University of Queensland
  • Ellesandra C Noye; The University of Queensland
  • Jiahai Lu; Sun Yat-sen University
  • Yao Xia; School of Science, Edith Cowan University, Perth, Australia; School of Biomedical Science, The University of Western Australia, Perth, Australia
  • Keng Yih Chew; The University of Queensland
  • Janessa Pickering; Telethon Kids Institute
  • Charles Gilks; School of Public Health, The University of Queensland
  • Asha C Bowen; Telethon Kids Institute
  • Kirsty R Short; School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane Australia
Preprint en En | PREPRINT-MEDRXIV | ID: ppmedrxiv-20044826
ABSTRACT
The role of children in the spread of SARS-CoV-2 remains highly controversial. To address this issue, we performed a meta-analysis of the published literature on household SARS-CoV-2 transmission clusters (n=213 from 12 countries). Only 8 (3.8%) transmission clusters were identified as having a paediatric index case. Asymptomatic index cases were associated with a lower secondary attack in contacts than symptomatic index cases (estimate risk ratio [RR], 0.17; 95% confidence interval [CI], 0.09-0.29). To determine the susceptibility of children to household infections the secondary attack rate (SAR) in paediatric household contacts was assessed. The secondary attack rate in paediatric household contacts was lower than in adult household contacts (RR, 0.62; 95% CI, 0.42-0.91). These data have important implications for the ongoing management of the COVID-19 pandemic, including potential vaccine prioritization strategies. 40-word summaryIn household transmission clusters of SARS-CoV-2 children are unlikely to be the index case. Children are also less likely than adults to be infected with SARS-CoV-2 from a family member.
Licencia
cc_by_nc_nd
Texto completo: 1 Colección: 09-preprints Base de datos: PREPRINT-MEDRXIV Tipo de estudio: Prognostic_studies / Review Idioma: En Año: 2020 Tipo del documento: Preprint
Texto completo: 1 Colección: 09-preprints Base de datos: PREPRINT-MEDRXIV Tipo de estudio: Prognostic_studies / Review Idioma: En Año: 2020 Tipo del documento: Preprint