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Hookworm is a roundworm infestation affecting the small intestine and lungs. The worms are about 1/2 inch long.
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Hookworm disease is an illness caused by one of two types of S-shaped worms that infect the intestine of humans (the worm's host).
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Hookworm infections are caused by intestinal nematodes (roundworms), with most human infections being caused by either Necator americanus or Ancylostoma duodenale . Less frequently, human hookworm infections may be caused by A. ceylanicum or A. ca...
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