Clonorchiasis is a specific disease caused by the liver fluke . Infection most often occurs by eating poorly heat-treated fish.

In 70% of cases, the infection is asymptomatic. In the acute period, the disease manifests itself in the form of fever, abdominal pain, enlarged liver, liver soreness, mild jaundice. Diarrhea may appear later. Symptoms usually last from 2 to 4 weeks. Chronic inflammation of the biliary tract with a massive lesion can develop to liver atrophy - fibrosis. Jaundice appears if an accumulation of worms prevents the outflow of bile. 

Complications: inflammation of the bile duct, liver cancer in the late period of the disease.