According to the Lancet Gastroenterology and Hepatology, Slovakia ranks at the top of the prevalence of liver cirrhosis in the world. Moreover, liver diseases are the leading cause of death in the age-group of 25 - 50 years-old. SIRIUS is the response conceived by the governing board of the Slovak society of hepatology with two main aims: to screen for liver fibrosis and to spread the largely unknown information in community, and primary-care sector.