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Figure 1 | Virology Journal

Figure 1

From: Potent and persistent antibody responses against the receptor-binding domain of SARS-CoV spike protein in recovered patients

Figure 1

Potent RBD-specific antibody responses in the recovered SARS patients. The convalescent sera from 30 SARS patients and normal sera from 25 healthy blood donors were tested at 1/100 dilution by ELISA with RBD-His protein as a coating antigen. The dashed line represents a cutoff value (the mean absorbance at 450 nm of sera from healthy blood donors plus 3 SDs).

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