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Two common hookworm infections in humans are ancylostomiasis and necatoriasis, caused by the species Ancylostoma duodenale and Necator americanus respectively. Hookworm eggs are deposited in the stools of infected people. If these end up in the environment, they can hatch into larvae (immature worms), which can then penetrate the skin. One type ...
Hookworm is closely associated with poverty because it is most often found in impoverished areas, and its symptoms promote poverty through the educational and health effects it has on children. [2] It is the leading cause of anemia and undernutrition in developing countries, while being one of the most commonly occurring diseases among poor people.
These may be followed by symptoms of abdominal swelling, abdominal pain, and diarrhea. [1] Children are most commonly affected, and in this age group the infection may also cause poor weight gain, malnutrition, and learning problems. [1] [2] [5] Infection occurs by ingesting food or drink contaminated with Ascaris eggs from feces. [2]
Due to the wide variety of intestinal parasites, a description of the symptoms rarely is sufficient for diagnosis. Instead, medical personnel use one of two common tests: they search stool samples for the parasites, or apply an adhesive to the anus to search for eggs.
eating food contaminated with feces from an infected human or animal Cryptosporidiosis: Cryptosporidium spp. intestines stool widespread ingestion of oocyst (sporulated), some species are zoonotic (e.g. bovine fecal contamination) Cyclosporiasis: Cyclospora cayetanensis: intestines stool United States ingestion of oocyst through contaminated food
Ancylostoma duodenale is a species of the roundworm genus Ancylostoma.It is a parasitic nematode worm and commonly known as the Old World hookworm. It lives in the small intestine especially the jejunum [citation needed] of definitive hosts, generally humans, [2]: 307–308 [3] where it is able to mate and mature.
Soil-transmitted helminthiasis is a collective name for the diseases caused by ascaris, whipworm and hookworms in humans. It includes species-specific diseases such as [citation needed] Ascariasis, which is caused by Ascaris lumbricoides; Hookworm diseases (ancylostomiasis and necatoriasis), which are caused by Necator americanus and ...
Often, no symptoms are presented with a minor A. lumbricoides infection, the inevitable consequence being the e.g. once a year passage of such clearly visible worm(s) on close inspection. In the case of bad infections symptoms commonly include bloody sputum, cough, fever, abdominal discomfort, intestinal ulcer(s), as well as a less commonly ...
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