<unk>  is a species of hookworm (a type of helminth) commonly known as the New World hookworm. Like other hookworms, it is a member of the phylum Nematoda. It is an obligatory parasitic nematode that lives in the small intestine of human hosts.<unk> iasis—a type of helminthiasis—is the term for the condition of being host to an infestation of a species of<unk> . Since<unk>  and Ancylostoma duodenale (also known as Old World hookworm) are the two species of hookworms that most commonly infest humans, they are usually dealt with under the collective heading of "hookworm infection". They differ most obviously in geographical distribution, structure of mouthparts, and relative size.<unk>  has been proposed as an alternative to Trichuris suis in helminthic therapy.
Necator americanus
Schistosoma indicum
Schistosoma intercalatum
Schistosoma mekongi
Dracunculus medinensis
Schistosoma malayensis
Onchocerca volvulus
Dermanyssus gallinae