A 9 year old girl appears listless and inattentive. The physician finds the child thin, and malnourished. The CBC reveals microcytic, hypochromic anaemia, and the fecal examination detects oval, transparent eggs. What is the most likely means by which this child was infected?
|A||Ingestion of eggs|
|B||Ingestion of larvae|
|C||Ingestion of cysts in muscles|
|D||Skin penetration by|
a. This is the history of hookworm infection (caused by Ancylostoma doudenale and Necator americanus), which is transmitted by skin penetration by filariform larva.
b. Clinical manifestations include: ground itch, loefflers syndrome and microcytic hypochromic anemia. Infection is diagnosed by stool examination for adult worm of eggs (these eggs are non-bile stained with segmented ovum)