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hookworm |
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hookwormParasitic roundworm (see worm) with hooks around its mouth. It lives mainly in tropical and subtropical regions, but also in humid areas in temperate climates. The eggs are hatched in damp soil, and the larvae bore into the host's skin, usually through the soles of the feet. They make their way to the small intestine, where they live by sucking blood. The eggs are expelled with faeces, and the cycle starts again. The human hookworm causes anaemia, weakness, and abdominal pain. It is common in areas where defecation occurs outdoors. (Genus Necator.) |
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Hookworm transmission requires a warm and wet climate, he adds, but the closest such weather to the graves is at the Caspian Sea, about 1,200 kilometers away. Thus the programmes Perez Hatorri analyzes, including the elimination of Hansen's disease and hookworm, and the establishment of a hospital for women and children, were not nearly so altruistic in their origins or operations as the Navy represented them to be. Effects of improved water supply and sanitation on ascariasis, diarrhoea, dracunculiasis, hookworm infection, schistosomiasis, and trachoma. |
hookworm
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