APOB and COVID-19: In contrast, another study indicated that COVID-19 patients’ liver damage was associated with a significant elevation of serum triglyceride-rich lipoproteins VLDL, IDL, LDL, and HDL and total apoB-containing VLDL and IDL subclasses, most likely due to increased expression and activity of critical enzymes involved in lipid and lipoprotein biosynthesis [75].