Laboratory abnormalities reported in severe toxoplasmosis cases in immunocompetent hosts included, among others, leukopenia [30,35,38], lymphopenia [47,48,49], lymphocytosis [44,50], eosinophilia [51] (mild or severe), thrombocytopenia [35,52], thrombocytosis, anemia [35,53], transaminitis, elevated inflammatory markers, hyperferritinemia [35], elevated LDH [3,54], hyponatremia [34,47], elevated lipase [34], elevated cardiac biomarkers or elevated creatine-phosphokinase (CPK). The gene discussed is PIK3C2A; the disease is isolated hyperferritinemia.