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. 2020 Aug 3;73(3):e531–e539. doi: 10.1093/cid/ciaa1143

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© The Author(s) 2020. Published by Oxford University Press for the Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — Dynamic changes in NAbs against SARS-CoV-2. A, Kinetics of SARS-CoV-2 NAb levels in 30 patients with COVID-19. B, Number of patients experiencing peak NAb levels during hospitalization or after discharge. Follow-up point 1 represents the follow-up study conducted on 2 April while follow-up point 2 represents the follow-up study conducted on 8 May 2020. C, Peak NAb levels in the patients. D, Comparison of peak NAb levels between patients with COVID-19 experiencing peak NAb levels during hospitalization and patients with COVID-19 experiencing peak NAb levels after discharge. Abbreviations: COVID-19, coronavirus disease 2019; F, female; ID50, 50% inhibitory dose; M, male; NAb, neutralizing antibody; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.