Table 1.

Summary of reactivity against peptides candidates with functional reactivity from SARS-CoV-2 and HCoV-OC43 N proteins in healthcare workers with COVID-19 determined by ELISA assays. ^a The numbers indicate the positive ELISA assay from peptides indicated in Figure 1c.

Sample	Reactivity with N-Ep Peptides from
	SARS2	OC43
C 2+	N-Ep1 a
C 3+	N-Ep1
C 5+	N-Ep1
C 6+	N-Ep2
C 8+	N-Ep2
C 10+	N-Ep1, N-Ep3, N-Ep4	N-Ep1, N-Ep3, N-Ep4
C 11+	N-Ep1, N-Ep2, N-Ep3, N-Ep4
C 12+	N-Ep3, N-Ep4
C 13+	N-Ep4	N-Ep4
C 16+	N-Ep3, N-Ep4
C 17+	N-Ep2
C 21+	N-Ep3, N-Ep4	N-Ep4