The correct answer is D, Paragonimus spp.  Transmission of Paragonimus spp. occurs only sporadically in the United States.  Only one species, P. kellicotti, occurs in the United States.  Paragonimiasis is acquired by ingestion of raw, undercooked, pickled crab or crayfish.  The other listed parasites occur in different parts of the U.S.

Click here to open a new window with a schematic of the life cycle of Paragonimus spp.  Close the new window to return to this page.