The sensitivity of the IgG ELISA 14–25 days after the onset of symptoms—89.5% (75.3–96.4)—was lower than that of the seven IgG LFAs, although the difference did not reach statistical significance.
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Diagnostic performance of seven rapid IgG/IgM antibody tests and the Euroimmun IgA/IgG ELISA in COVID-19 patients.
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