AU0728-infected mice treated with intraperitoneal BcepIL02 also had significantly lower lung weights and lung weight to body weight ratios than mock-treated mice (data not shown). A reduced density of bacteria in lungs 48 h after treatment was also observed in AU0728-infected mice treated with intranasal inhalation of BcepIL02; however, the difference between treated mice and mock-treated control mice was not statistically significant