CD4 and infection: We have further studied the expression of intracellular pro-IL-1β, IFN-γ, IL-4, IL-17, and TGF-β cytokines by CD4+ and CD8+ T cells in the lungs of infected WT, Nlrp3−/−, Casp1/11−/−, and ASC−/− mice at 48 h, 2, 4, and 10 weeks of infection.