CASP1 and infection: THP1/PMA macrophages were infected with Lai∆envGFP/G (MOI = 1) in the absence (infection control) or presence of an RT inhibitor (EFV), integrase inhibitor (Ral), and caspase 1/4 inhibitors (zVAD-fmk and VX-765) in the presence of TNFα.