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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Detalles Bibliográficos
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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