Cercanae penetrate the skin of fresh/brackish water fish and encyst as metacercanae in the tissue of ttie fish
Snail host ingests eggs. miracKlia emerge from eggs and penetrate the snails intestme
O
Host becomes mfected by ingesting undercooked fish contaming metacercanae .A,
Metacercanae excyst in the smali intestme
Adułt in smali intestine
= tnfectwe Stage A - Diagnostic Stage
A
Embryonated eggs each with a ful(y-devek>ped miracidium are passed in feces