CYP exposure of the allergic pneumonitis (allergic/CYP) group shifted the cell count toward neutrophil (p ˂ 0.05) and caused a further significant increase (p ˂ 0.05) in the BALF levels of INF- γ and IL17 only when compared to the allergic pneumonitis-only group. The gene discussed is IL17A; the disease is hypersensitivity pneumonitis.