Table 3. Frequency of CD8⁺IFNγ⁺ and CD8⁺Pfn⁺ coexpressing CCR5 and LFA-1 among peripheral blood cells during acute and chronic T. cruzi infection.

Groups	CD8+IFNγ+ CCR5+LFA-1+ (%)	CD8+Pfn+ CCR5+LFA-1+ (%)
Noninfected	1.00±0.27	1.01±0.64
42 dpi (acute)	34.52±8.98	53.12±5.64
120 dpi (chronic)	1.01±0.64	6.30±0.38