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Fig. 3 | BMC Microbiology

Fig. 3

From: A newly identified linear epitope on non-RBD region of SARS-CoV-2 spike protein improves the serological detection rate of COVID-19 patients

Fig. 3

The positive reaction rates of epitope peptide S21P2, S14P5, P82 and P104 in convalescent sera of COVID-19 patients. Each convalescent serum sample of COVID-19 patients was tested with each epitope peptide by indirect ELISA. a The positive reaction rates of peptides S21P2, S14P5, P82 and P104 in total COVID-19 patients and asymptomatic infections. b Analyses of the positive reaction rates of different peptide combinations. S14P5, S14P5 + S21P2 and S14P5 + S21P2 + P104 were the best combinations with the highest overall positive reaction rate in peptide combinations respectively contained the single, two or the three epitope peptides. As long as the serum sample was positive for any one of the epitope peptides in combination, the sample was considered to be positive for the epitope peptide combination. c The positive reaction rates in different clinical types detected by different peptide combinations

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BMC Microbiology

ISSN: 1471-2180

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