TLR2 and infection: We noted a significant increase in the frequency of mb-TLR2+NK cells at all three post-infection time points (21 dpi: 12.6 ± 1.2%, p = 0.008; 90 dpi: 11.5 ± 0.9%, p = 0.004; 180 dpi: 10.9 ± 1.3%, p = 0.015) compared to the 0 day time point (5.5 ± 0.8%) (Figure 6E).