Immunological markers and their plasma levels (pg/ml)

Blood donor groups

Control

HIV-1 (n = 40) Group I

HBV (n = 40) Group II

HCV (n = 40) Group III

(n = 40) Group IV

IL-2

4.19 ± 1.89*

5.53 ± 1.69*

0.30 ± 0.24*

16.37 ± 4.08

IFN-γ

23.1 ± 2.22*

23.93 ± 3.68*

27.53 ± 2.41*

50.53 ± 3.87

IL-4

2.5± 1.18

3.83 ± 1.97**

27.15 ± 6.37**

2.60 ± 1.27

IL-10

1.2 ± 0.27

25.03 ± 4.87**

29.98 ± 8.12**

1.23 ± 0.72

TNF-α

12.3 ± 5.21**

11.03 ± 2.37**

61.86 ± 21.67**

3.11 ± 0.48

TNFR I

1.6 ± 0.36**

1.31 ± 0.76**

1.02 ± 0.65**

0.31 ± 0.13

TNFR II

5.8 ± 1.38**

7.36 ± 2.76**

4.15 ± 2.01**

1.23 ± 0.36