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Performance and validation of an adaptable multiplex assay for detection of serologic response to SARS-CoV-2 infection or vaccination.
Grace Kenny; Riya Negi; Sophie O'Reilly; Alejandro Abner Garcia Leon; Dana Alalwan; Colette Marie Gaillard; Gurvin Saini; Rosanna Inzitari; Eoin Feeney; Aoife G Cotter; Eoghan de Barra; Corinna Sadlier; Fiona Crispie; Virginie Gautier; Patrick Mallon; - All Ireland Infectious Diseases Cohort Study.
Afiliação
  • Grace Kenny; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Riya Negi; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Sophie O'Reilly; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Alejandro Abner Garcia Leon; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Dana Alalwan; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Colette Marie Gaillard; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Gurvin Saini; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Rosanna Inzitari; School of Medicine, University College Dublin, Ireland
  • Eoin Feeney; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland; Department of Infectious Diseases, St Vincent's University Hospital, Irelan
  • Aoife G Cotter; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland; Department of Infectious Diseases, Mater Misericordiae University Hospital,
  • Eoghan de Barra; Department of Infectious Diseases, Beaumont Hospital, Ireland, Department of International Health and Tropical Medicine, Royal College of Surgeons in Ireland
  • Corinna Sadlier; Department of Infectious Diseases, Cork University Hospital, Ireland
  • Fiona Crispie; Teagasc Food Research Centre and APC Microbiome Ireland
  • Virginie Gautier; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • Patrick Mallon; Centre for Experimental Pathogen Host Research, University College Dublin, Ireland
  • - All Ireland Infectious Diseases Cohort Study;
Preprint em Inglês | medRxiv | ID: ppmedrxiv-22275163
ABSTRACT
Measurement of quantitative antibody responses are increasingly important in evaluating the immune response to infection and vaccination. In this study we describe the validation of a quantitative, multiplex serologic assay utilising an electrochemiluminescence platform, which measures IgG against the receptor binding domain (RBD), spike S1 and S2 subunits and nucleocapsid antigens of SARS-CoV-2. The assay displayed a sensitivity ranging from 73-91% and specificity from 90 to 96% in detecting previous infection with SARS-CoV-2 depending on antigenic target and time since infection, and this assay highly correlated with commercially available assays. The within-plate coefficient of variation ranged from 3.8-3.9% and the inter-plate coefficient of variation from 11-13% for each antigen.
Licença
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Texto completo: Disponível Coleções: Preprints Base de dados: medRxiv Tipo de estudo: Estudo diagnóstico / Experimental_studies / Estudo prognóstico Idioma: Inglês Ano de publicação: 2022 Tipo de documento: Preprint
Texto completo: Disponível Coleções: Preprints Base de dados: medRxiv Tipo de estudo: Estudo diagnóstico / Experimental_studies / Estudo prognóstico Idioma: Inglês Ano de publicação: 2022 Tipo de documento: Preprint
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