TABLE 3.

Analysis of CD4⁺-T-cell counts in infected macaques

Group	Median CD4+-T-cell count as % of wk 0 for wk:		P value for wka:
	4	24	4	24
Control	3.2	23.7
DNA-DNA	5.7	19.0	0.240	0.931
DNA-particle	2.6	9.1	0.485	0.662
DNA-vaccinia virus	53.9	57.3	0.002b	0.052
Vaccinia virus-DNA	77.9	88.2	0.002	0.030

^aP values from Mann-Whitney test of each vaccine group compared to controls.

^bBoldface type indicates P < 0.05.