Table 2.

CD4+ and CD8+ T cell responses after stimulation for pre-pandemic participants

Pre-pandemic cohort, n=29	CD4+ T cell Reactivity	% CD4+ Reactivity	CD8+ T cell Reactivity	% CD8 Reactivity
CD4_Non-spike	13	44.8%	5	17.2%
CD4_Spike	17	58.6%	9	31.0%
CD8_A	9	31.0%	6	20.7%
CD8_B	12	41.4%	8	27.6%
Total Pools Reactive
0	8	27.6%	10	34.5%
1	6	20.7%	9	31.0%
2	5	17.2%	5	17.2%
3	5	17.2%	3	10.3%
4	5	17.2%	0	0.0%
	No Reactive T cells	CD4+ T Cell reactive only	CD8+ T cells reactive only	Both T cells reactive
# of participants	3	9	4	13
% of participant	10.3%	31.0%	13.8%	44.8%