FHs 74 Int cells infected with T. gondii at higher infectious doses (MOI 20) reduced cell viability. FHs 74 Int cells were infected with the T. gondii GFP-RH strain at the indicated MOIs for 8 h, and
Xrn1 knock out A549 cells were infected with WT A/Puerto Rico/8/1984 (H1N1) ("PR8"), A/Tennessee/1-560/2009 (H1N1) (“H1N1pdm09” for 2009 pandemic H1N1) , or A/Perth/16/2009 (H3N2) ("Perth"), or PA(∆X)