At 14 days post-infection, a 94% lower IFU count was recorded for CD14-/- mice (6.3 × 103 +/- 8.9 × 103 IFU) when compared to C57BL/6J mice (1.1 × 105 +/- 1.6 × 105 IFU). This evidence concerns the gene CD14 and infection.