At day 14 after infection, the percentage of CD11c+ cells expressing CCR7 in B6.WT mice was 74.3% (±2.5 [SEM]) in the footpad, 25.1% (±2.1) in the lymph node and 43.3% (±2.2) in the spleen (Figure 3A). The gene discussed is CCR7; the disease is infection.