In the life cycle of the pinworm Enterobius,a common infection in children,the child has the adult worm in the intestine.The adult worm releases eggs,which are then transmitted out of the body via feces.The child will scratch the anal area,picking up the worm eggs and re-inserting them into the mouth.For this helminth life cycle,the human is _____ host.
A) intermediate
B) definitive
C) primary
D) both intermediate and definitive
Correct Answer:
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