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. 2020 Sep 16;34(6):470–474. doi: 10.7555/JBR.34.20200099

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Copyright and License information: Journal of Biomedical Research, CAS Springer-Verlag Berlin Heidelberg 2020

This work is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/

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Summary of key dates, events, and data.

A: Timeline summary of the two hospitalization events together with data of viral RNA detection. B: Contact tracing of family members and other results for viral RNA and antibodies. C and D: Results for antibody tests conducted on day 40, 43, 73, 83, and 100 post symptom onsets for IgM/IgG (C) and neutralizing antibodies (D). Testing for IgM and IgG was conducted at a serum dilution of 1:80 using ELISA kits from GenScript following the manufacturer's instructions.