The given parasite was Echinococcus granulosus (also called as Dog tapeworm)
Hydatid cyst stage with protoscoleces
Significance: Causes Hydatid disease (Zoonotic disease)Other species are E.multilocularis & E. vogeli
Cyst(can affect any organ mostly liver, lungs) creates pressure in the organ when it becomes larger resulting in localised pain and dysfunction.
Leakage of the cyst contents causes anaphylaxis leads to even death.
Congrats to Ms. Radika & Ms. Fathima for the right and complete answer.