Mode of infection : Infection of freshwater plants with metacercariae or by drinking water with floating metacercariae example lettuce green salad. Definite host : human Intermediate host : freshwater snails Reservoir host : sheep Infective form : metacercariae Pathogenicity : While passing through the liver the large form causes hepatitis damage. may cause abscesses of lungs , body wall on fibrotic lesions. produces severe parenchymal disease of liver for which the parasite is called liver fluke and disease is known as liver rot. necrosis of liver anaemia common inflammation and damage of bile duct. respiratory blockage of lungs Hyperplasia Symptoms : abdominal pain Anemia prolonged high fever Nausea Jaundice Lethargy Tenderness Hepatomegaly fatty food intolerance Treatment : B ithional : Highly Effective large dose high cost long period Triclabendazole : easier to use one to two oral doses in 24 hours Surgery Control : people residing in areas f