Infection of animals, including fish and man, with a developmental stage of diphyllobothrium. this stage has recently been referred to as a plerocercoid but the name sparganum has persisted. therefore, infection of fish or other animals with the plerocercoid larvae is sparganosis. fish-eating mammals, including man, are the final hosts.

Sparganosis is a parasitic infection caused by the plerocercoid larvae of the genus Spirometra including S. mansoni, S...