Prevalence of Immunoglobulin G (IgG) Against Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) and Evaluation of a Rapid MEDsan IgG Test in Children Seeking Medical Care.

Posfay-Barbe, Klara M; Andrey, Diego O; Virzi, Julien; Cohen, Patrick; Pigny, Fiona; Goncalves, Ana R; Pinosch, Selina; Lacroix, Laurence et al. · Clin Infect Dis · 2021

cross_sectional · Level IV

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Abstract

In 208 children seeking medical care, the seropositivity rate of anti-SARS-CoV-2 IgG antibodies was 8.7%, suggesting an infection rate similar to that observed in adults but >100-fold the incidence of RT-PCR-confirmed pediatric cases. Compared with the gold-standard combined ELISA + immunofluorescence, the MEDsan IgG rapid diagnostic test performed accurately.

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