Trematodes Flashcards

1
Q

Schistosoma japonicum

Intermediate Host:
Snail (Oncomelania hupensis quadrasi)

Tx: Praziquantel

A

Transmission:
Cercariae penetrate skin

Infective Stage:
Cercariae

Diagnostic Stage:
Eggs in feces

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2
Q

Paragonimus westermani

Intermediate Host:
Snail (Antemelania asperata)
Mountain Crab (Sundathelphusa philippina)

Tx: Praziquantel

A

Transmission:
Undercooked/raw crab meat

Infective Stage:
Metacercariae

Diagnostic Stage:
Unembryonated egg

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3
Q

Clonorchis sinensis
Opistorchis viverrini

Intermediate Host:
Snail (Parafossarulus)
Fish (Cyprinidae)

Tx: Praziquantel

A

Transmission:
Undercooked/raw fish

Infective Stage:
Metacercariae

Diagnostic Stage:
Embryonated egg

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