Hookworms attach to capillary beds in the small intestine of a host where they suck blood resulting in anemia. Hookworms (A. duodenale & N. americanus) are a major cause of chronic anemia and growth stunting in children worldwide, particularly in the tropics. An estimated 1.28 billion people are infected. Human parasite.
The Washington University Nematode EST Project, The Genome Institute, Washington University School of Medicine, St. Louis, MO.