Figure 4.

Bacterial enumeration from homogenized lungs. Mice were inoculated via nasal passage in Table 1 after treatment with either isotype control (Iso; filled triangles) or neutrophil depleting antibodies (anti-Gr1; open boxes) as indicated. The lungs were harvested 2–10 days after exposure, homogenized, and plated on bacterial growth agar after serial dilutions. 24–72 h later, colony forming units (CFU) were enumerated. Data represents three independent experiments from male, female, C57BL/6, and Balb/cJ mice that were age, strain, and sex matched within each experiment. N = 4-5 mice per group, per experiment.