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. 2020 Sep 16;10(3):e270–e274. doi: 10.1055/s-0040-1715177

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. ( https://creativecommons.org/licenses/by-nc-nd/4.0/ ).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 2 — Infant Serology findings. ( A ) ELISA SARS-CoV-2 showing reactivity of the COVID-19 antibodies at different dilutions (1:50 to 1:100,000 dilution) at day 12 and day 18 with comparison with both positive control and negative control. Antibodies were detected for spike and RBD antigens. ( B ) SARS-CoV-2 Assay, Luminex, at day 18 showing strongly positive immunoglobulin G and immunoglobulin M for both the spike RBD and the nucleocapsid antigens. Moderate immunoglobulin A reactivity with RBD antigen is also positive. RBD, receptor binding domain; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.