As expected, mice that received FI-A2 alone developed substantial pulmonary BAL cell infiltration (Figure 4A) and eosinophilia (Figure 4B) following A2 challenge, as well as an increased Th2 type IL-4 cytokine response (Figure 4C), and increased body weight loss (Figure 5). This evidence concerns the gene IL4 and Increased total eosinophil count.