PVM infection in the cytokine-driven B6-E2IL5tg mouse model of airway inflammation. (A) Total eosinophils in BAL fluid from PVM-infected C57BL/6 (B6) wild-type, B6-eotaxin-2/IL-5 double transgenic (B6-E2IL5tg), eosinophil-deficient B6-ΔdblGATA, and cytokine-enriched eosinophil-deficient B6-E2IL5tg-ΔdblGATA mice; t = 4 days after PVM inoculation; n = 4 to 6 mice per time point; ***P < .0001 (1-way analysis of variance [ANOVA]). (B) Cell differentials of mice described in A. (C-D) Microscopic histology of lung tissue from PVM-infected B6-E2IL5tg mice; original magnifications ×10 and ×40, respectively. (E-F) Microscopic histology of lung tissue from PVM-infected B6-E2IL5tg-ΔdblGATA mice; original magnifications ×10 and ×40, respectively; area within box in (E) magnified as shown in (F).