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Fig. 1 | BMC Medicine

Fig. 1

From: Human serum from SARS-CoV-2-vaccinated and COVID-19 patients shows reduced binding to the RBD of SARS-CoV-2 Omicron variant

Fig. 1

RBD variants binding to human ACE2. 300 ng/well immobilized Wuhan wt, Beta, Delta, or Omicron RBD were detected with human ACE2 (fusion protein with human Fc part) in titration ELISA. BSA was used as a negative control. Experiments were performed in triplicates and mean values are given. EC50 were calculated with OriginPro Version 9.1, fitting to a five-parameter logistic curve

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BMC Medicine

ISSN: 1741-7015

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