{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["10"],"submitter":["Carvalho A"],"pubmed_abstract":["<h4>Background and aim</h4>The kinetics of antibody production in response to coronavirus disease 2019 (COVID-19) infection is not well-defined yet. This study aimed to evaluate the antibody responses to SARS-CoV-2 and its dynamics during 9-months in a cohort of patients infected during the first phase of the pandemic. As a secondary aim, it was intended to evaluate the factors associated with different concentrations of IgG antibodies.<h4>Methods</h4>A prospective cohort study was conducted from June 2020 to January 2021. This study recruited a convenience sample of adult individuals who where recently diagnosed with COVID-19 and were living in mainland Portugal. A total of 1,695 blood samples were collected from 585 recovered COVID-19 patients up to 9 months after SARS-CoV-2 acute infect"],"journal":["Frontiers in public health"],"pagination":["1069898"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9872107"],"repository":["biostudies-literature"],"pubmed_title":["Persistence of IgG COVID-19 antibodies: A longitudinal analysis."],"pmcid":["PMC9872107"],"pubmed_authors":["Rodrigues AM","Carvalho A","Guimaraes M","Queiros P","Mendonca N","de Sousa G","Henriques AR","Rodrigues J","Canhao H","Antunes F"],"additional_accession":[]},"is_claimable":false,"name":"Persistence of IgG COVID-19 antibodies: A longitudinal analysis.","description":"<h4>Background and aim</h4>The kinetics of antibody production in response to coronavirus disease 2019 (COVID-19) infection is not well-defined yet. This study aimed to evaluate the antibody responses to SARS-CoV-2 and its dynamics during 9-months in a cohort of patients infected during the first phase of the pandemic. As a secondary aim, it was intended to evaluate the factors associated with different concentrations of IgG antibodies.<h4>Methods</h4>A prospective cohort study was conducted from June 2020 to January 2021. This study recruited a convenience sample of adult individuals who where recently diagnosed with COVID-19 and were living in mainland Portugal. A total of 1,695 blood samples were collected from 585 recovered COVID-19 patients up to 9 months after SARS-CoV-2 acute infect","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2025-04-22T06:14:43.646Z","creation":"2025-04-05T21:40:08.018Z"},"accession":"S-EPMC9872107","cross_references":{"pubmed":["36703818"],"doi":["10.3389/fpubh.2022.1069898"]}}