Figure 5.
Spearman correlation analysis on T cell immunity towards SARS-CoV-2 and HCoV-NL63. Spearman correlation between T cell immunity against the S1/S2 peptide of SARS-CoV-2 and the N-terminus of the S1 protein of HCoV-NL63 in all volunteers. The dotted line represents the zero line. The black line indicates the regression line.