SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients

We screened stored samples collected before COVID-19 had been reported in Brazil. 989 samples were tested for SAR-CoV-2 antibodies using two different methods; 16 (1.6%) were positive (7 (43.8%) IgM, 3 (18.8%) IgG and 6 (37.5%) IgG/IgM positive), suggesting SARS-CoV-2 had circulated before the first...

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Autores principales: Gurgel, Ricardo Queiroz, de Sá, Laís Catarine, Souza, Daniela Raguer Valadão, Martins, Aline Fagundes, Matos, Igor Leonardo Santos, Lima, Alexandra Giovanna Aragão, Vieira, Sarah Cristina Fontes, Neto, José Melquiades de Rezende, Cuevas, Luis Eduardo, Borges, Lysandro Pinto
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The British Infection Association. Published by Elsevier Ltd. 2021
Materias:
Letter to the Editor
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7705327/
https://www.ncbi.nlm.nih.gov/pubmed/33271171
http://dx.doi.org/10.1016/j.jinf.2020.11.037
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author Gurgel, Ricardo Queiroz
de Sá, Laís Catarine
Souza, Daniela Raguer Valadão
Martins, Aline Fagundes
Matos, Igor Leonardo Santos
Lima, Alexandra Giovanna Aragão
Vieira, Sarah Cristina Fontes
Neto, José Melquiades de Rezende
Cuevas, Luis Eduardo
Borges, Lysandro Pinto
author_facet Gurgel, Ricardo Queiroz
de Sá, Laís Catarine
Souza, Daniela Raguer Valadão
Martins, Aline Fagundes
Matos, Igor Leonardo Santos
Lima, Alexandra Giovanna Aragão
Vieira, Sarah Cristina Fontes
Neto, José Melquiades de Rezende
Cuevas, Luis Eduardo
Borges, Lysandro Pinto
author_sort Gurgel, Ricardo Queiroz
collection PubMed
description We screened stored samples collected before COVID-19 had been reported in Brazil. 989 samples were tested for SAR-CoV-2 antibodies using two different methods; 16 (1.6%) were positive (7 (43.8%) IgM, 3 (18.8%) IgG and 6 (37.5%) IgG/IgM positive), suggesting SARS-CoV-2 had circulated before the first reported COVID-19 case in Brazil.
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spelling pubmed-77053272020-12-01 SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients Gurgel, Ricardo Queiroz de Sá, Laís Catarine Souza, Daniela Raguer Valadão Martins, Aline Fagundes Matos, Igor Leonardo Santos Lima, Alexandra Giovanna Aragão Vieira, Sarah Cristina Fontes Neto, José Melquiades de Rezende Cuevas, Luis Eduardo Borges, Lysandro Pinto J Infect Letter to the Editor We screened stored samples collected before COVID-19 had been reported in Brazil. 989 samples were tested for SAR-CoV-2 antibodies using two different methods; 16 (1.6%) were positive (7 (43.8%) IgM, 3 (18.8%) IgG and 6 (37.5%) IgG/IgM positive), suggesting SARS-CoV-2 had circulated before the first reported COVID-19 case in Brazil. The British Infection Association. Published by Elsevier Ltd. 2021-05 2020-12-01 /pmc/articles/PMC7705327/ /pubmed/33271171 http://dx.doi.org/10.1016/j.jinf.2020.11.037 Text en © 2020 The British Infection Association. Published by Elsevier Ltd. All rights reserved. Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
spellingShingle Letter to the Editor
Gurgel, Ricardo Queiroz
de Sá, Laís Catarine
Souza, Daniela Raguer Valadão
Martins, Aline Fagundes
Matos, Igor Leonardo Santos
Lima, Alexandra Giovanna Aragão
Vieira, Sarah Cristina Fontes
Neto, José Melquiades de Rezende
Cuevas, Luis Eduardo
Borges, Lysandro Pinto
SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients
title SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients
title_full SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients
title_fullStr SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients
title_full_unstemmed SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients
title_short SARS-CoV-2 has been circulating in northeastern Brazil since February 2020: evidence for antibody detection in asymptomatic patients
title_sort sars-cov-2 has been circulating in northeastern brazil since february 2020: evidence for antibody detection in asymptomatic patients
topic Letter to the Editor
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7705327/
https://www.ncbi.nlm.nih.gov/pubmed/33271171
http://dx.doi.org/10.1016/j.jinf.2020.11.037
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