Table 2.

SARS-CoV-2-derived T cell epitopes common to SARS-CoV or MERS-CoV

Protein	Length of protein (amino acids)	Number of common epitopes to SARS-CoV or MERS-CoV
		HLA-class I epitopes			HLA-class II epitopes
		SARS-CoV	MERS-CoV	SARS- and MERS-CoVs	SARS-CoV	MERS-CoV	SARS- and MERS-CoVs
ORF1ab	7096	633	33	30	362	10	9
S	1273	58	3	0	40	0	0
ORF3a	275	4	0	0	0	0	0
E	75	15	0	0	4	0	0
M	222	28	0	0	4	0	0
ORF6	61	0	0	0	0	0	0
ORF7a	121	3	0	0	1	0	0
ORF8	121	7	0	0	0	0	0
N	419	33	0	0	7	0	0
ORF10	38	0	0	0	0	0	0
Total		781	36	30	418	10	9