IFNL3 and infection: On comparing the sum of IL-28B-gene-SNP variation in all study groups within each US category regardless of infection status, the following findings were noted: A) In normal US hepatic appearance: both wild-type CC (12/31) and CT genotype (16/31) were more frequent than TT-genotype (3/31) (P = 0.016, and 0.007, respectively), with an insignificant difference when comparing the wild-type CC to the CT-genotype (P = 0.44).