ArticleRevista da Sociedade Brasileira de Medicina Tropical2022
Anti-SARS-CoV-2 antibody immunoreactivity profiles during COVID-19 recurrence.
Article in Revista da Sociedade Brasileira de Medicina Tropical, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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11 authors at 1 institution in 1 country.
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Abstract
backgroundThis study aimed to evaluate IgG and IgM levels in COVID-19 recurrence.
methodsThe serum antibody levels and clinical data from 73 healthcare workers with SARS-CoV-2 divided into seroconverted (n=51) and non-seroconverted (n=22) groups were assessed. The presence of specific anti-nucleocapsid (anti-N) IgM and IgG for SARS-CoV-2 was evaluated. IgG antibodies to the SARS-CoV-2 spike receptor-binding domain were used to confirm non-seroconversion in all negative anti-N.
resultsFour recurrent cases displayed mild symptoms and were non-seroconverted until the recurrence of symptoms.
conclusionsUndetectable anti-nucleocapsid IgM and IgG levels may be correlated with symptomatic COVID-19 recurrence.
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