![]() Hookworm infection is mainly acquired by walking barefoot on contaminated soil. The larvae mature into a form that can penetrate the skin of humans. They can then mature and hatch, releasing larvae (immature worms). ![]() If the infected person defecates outside (near bushes, in a garden, or field) of if the feces of an infected person are used as fertilizer, eggs are deposited on soil. ![]() Hookworm eggs are passed in the feces of an infected person. ![]() Together, they account for a major burden of disease worldwide. Hookworm, Ascaris, and whipworm are known as soil-transmitted helminths (parasitic worms). Hookworm was once widespread in the United States, particularly in the southeastern region, but improvements in living conditions have greatly reduced hookworm infections. An estimated 576-740 million people in the world are infected with hookworm.
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