TABLE 1.

Cytotoxicities of CD4⁺ and CD8⁺ lines isolated from Hantaan virus-immune donors^a

Donor	Cell line	Phenotypeb	% Specific lysisc with:
			vac-G1	vac-G2	vac-N	vac
A	1-C8	CD8	−2.2	—d	70.3	5.5
	3-G7	CD8	−2.6	—	55	−1.9
	10-E2	CD8	−0.5	—	53.1	0.9
	10-B5	CD8	−1.6	3.2	58.8	—
	1-G5	CD4	−0.4	—	66.7	1.6
	1-D6	CD4	−3.4	—	61.4	−0.7
B	3-E3	CD4	33.5	−0.3	−0.4	−0.1
	10-C11	CD4	30.9	−2.6	−2.8	−2.9
	10-F4	CD4	25.4	−2.4	−1.0	−0.9
C	1A-B7	CD8	−2.9	−7.0	87.7	—
	3A-B8	CD8	−6.3	−7.0	60.0	—
	3A-C4	CD8	−6.1	1.0	44.5	—
	3A-C10	CD8	−6.1	−7.2	68.5	—
	3A-G3	CD8	0.0	−0.2	84.1	—
	3A-F2	CD4	0.3	2.8	47.0	—
	3-E10	CD4	−4.6	—	40.3	—
	3-F8	CD4	−3.6	—	55.6	—

^aData from representative cell lines are shown. E/T ratios vary from 20:1 to 50:1. 

^bCell lines were >95% CD4 or CD8 by flow cytometry. 

^cBoldface indicates significant target cell recognition. 

^d—, Target not tested.