in hepatitis b or delta virus infection , focal clusters of alpha-interferon-positive infiltrating mononuclear cells and ( to a lesser extent ) fibroblasts were regularly seen in liver sections from patients who had chronic active hepatitis and cirrhosis and evidence of virus replication , but in a minority of patients with chronic persistent hepatitis b and not in nonvirally infected livers .
C0023890
cirrhosis
C0023884
livers