Table 2.

Median frequency of SARS-CoV-2 Protein-specific CD3⁺ T cells subpopulation in HI (peripheral blood collected prior 2019).

Antigen		M	N	S	S1	CMV pp65
CD4+	IL-2	−0.001	−0.002	0,002	0,004	0.005
	IFN-γ	0.012	0.004	0.002	0.007	0.083
	TNF-α	0.008	−0.001	0.007	−0.001	0.040
CD8+	IL-2	−0.003	−0.003	0.001	0.003	0.004
	IFN-γ	−0.003	−0.003	−0.01	−0.006	0.482
	TNF-α	−0.008	−0.023	−0.012	−0.006	0.286