IFNA1 and coronary artery disorder: A meta-analysis showed that after administration of standard IFN-α for 12–48 weeks and 24–72 weeks of treatment-free follow-up, 17.4% of CHD patients had undetectable HDV RNA (Abbas et al., 2011); while after administration of Peg-IFN-α for 48 and 24 weeks of treatment-free follow-up, 31.0% of CHD patients had undetectable HDV RNA (Wedemeyer et al., 2011).