IFNL3 - Interferon Lambda 3; IL-6 - Interleukyn-6; CLD - Chronic Liver Disease;HBV - Hepatitis B Virus; HDV - Hepatitis D Virus; SNP - Single NucleotidePolymorphism; PEG-IFN - Pegylated interferon; HIV - Human ImmunodeficiencyVirus; HCV - Hepatitis C Virus. Here, IL6 is linked to congenital secretory chloride diarrhea 1.