In the case of pregnant bitches, female dogs, the larvae may enter the fetus, thus infecting them prenatally. Habitat Small intestines of foxes, dogs, cats. Skin of humans. Usually found in unsanitary, warm, and moist conditions which favor the development of eggs and the infection of hosts. Infection by a hookworm usually results in bloody diarrhea and anemia.
Hookworms are one of the most destructive parasites.
They undermine the health of their host, causing stunting of growth and general laziness often accompaning acute mental distress. Rash is caused because the larvae cannot get below the skin in the abnormal human host. References Trager, William. 1986. The Biology of Animal Parasitism. Smyth, J.D. 1962.