IFNG and infection: However, neutralization of IL-17A alone or in combination with IFN-γ caused a 1.85 log10 (p = 0.019) and a 1.66 log10 (p = 0.0002) CFU increase, respectively, in kidneys of mice that survived the infection compared to survivors injected with isotype-matched control antibody (Fig 6A and 6C, right panels).