FAS and parasitic infectious disease: Revealed upregulation of cytokine, immune response, inflammatory response, complement activation (Figure 3), apoptosis (Figure 4), and Fas pathways [30–32] in subjects with higher parasitemias (25,000–100,000 per μL and >100,000 per μL, Figures 3-4) and higher temperatures (≥39°C, data not shown).