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The soil-transmitted helminths (also called geohelminths) are a group of intestinal parasites belonging to the phylum Nematoda that are transmitted primarily through contaminated soil. They are so called because they have a direct life cycle which requires no intermediate hosts or vectors , and the parasitic infection occurs through faecal ...
Soil-transmitted helminthiasis is a type of worm infection (helminthiasis) caused by different species of roundworms. It is caused specifically by worms transmitted through soil contaminated with faecal matter and are known as soil-transmitted helminths .
The soil-transmitted helminths (A. lumbricoides, T. trichiura, N. americanus, A. duodenale), schistosomes, and filarial worms collectively infect more than a quarter of the human population worldwide at any one time, far surpassing HIV and malaria together. [35] [37] Schistosomiasis is the second most prevalent parasitic disease of humans after ...
Parasitic worms, also known as helminths, [1] are a polyphyletic group of large macroparasites; adults can generally be seen with the naked eye. Many are intestinal worms that are soil-transmitted and infect the gastrointestinal tract. Other parasitic worms such as schistosomes reside in blood vessels.
WHO have since 2001 had a strategy for control of soil-transmitted helminths, including whipworms. This strategy entails treating at-risk individuals in the endemic areas. Risk groups for whipworm infections are children at preschool and school-aged children, people with specific high-risk jobs, women in reproductive and pregnant and ...
Soil-transmitted helminthiasis is a neglected tropical disease as a result of infection of intestinal parasites such as roundworm (Ascaris lumbricoides), whipworm (Trichuris trichiura), hookworms (Ancylostoma duodenale and Necator americanus), and pinworm/threadworm (Strongyloides stercoralis).
It is a type of soil-transmitted helminthiasis and part of a group of diseases called helminthiases. [6] Prevention is by improved sanitation, which includes improving access to toilets and proper disposal of feces. [1] [7] Handwashing with soap appears protective. [8]
Some types of helminths and protozoa are classified as intestinal parasites that cause infection—those that reside in the intestines. These infections can damage or sicken the host (humans or other animals). If the intestinal parasite infection is caused by helminths, the infection is called helminthiasis.