Expression of IL-6 mRNA transcripts was significantly upregulated during acute (5-fold; mean ± SE: 0.0002 ± 0.00005, p = 0.03) and chronic (2.5-fold; 0.0001 ± 0.00003, p = 0.006) compared to pre infection (0.00004 ± 0.000006) (Figure 1). This evidence concerns the gene IL6 and infection.