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8644 Microbiology

A child is brought to you because of perianal itching, which has been disturbing the child’s sleep. Examination reveals scaly skin in the perianal region. You instruct the parents to place transparent tape on the perianal region the next morning, and then return to you. Next day the tape is transferred to a microscope slide, and low-power examination of the tape reveals oval eggs that are flattened along one side. Most likely cause?

AAncylostoma duodenale
BAscaris lumbricoides
CEnterobius vermicularis
DNecator americanus
Microbiology
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