soil-transmitted helminths, including Ascaris lumbricoides (the most common worldwide), Trichuris trichiura, Necator americanus, Strongyloides stercoralis and Ancylostoma duodenale.
Where are helminths most common?
More than 1.5 billion people, or 24% of the world's population, are infected with soil-transmitted helminth infections worldwide. Infections are widely distributed in tropical and subtropical areas, with the greatest numbers occurring in sub-Saharan Africa, the Americas, China and East Asia.
What is the most common parasite in the world?
Below are the most common types of parasitic worms that infect humans and are not usually visible to the naked eye.Pinworms (Enterobius vermicularis) ... Tapeworms (Taenia solium) ... Roundworms (Ascaris lumbricoides) ... Roundworms (Wuchereria bancrofti) ... Roundworms (Trichinella ) ... Flatworms (Fasciola hepatica)
What are the two most common helminth parasites?
Helminths - worms - are some of the world's commonest parasites (see Ch. 86). They belong to two major groups of animals, the flatworms or Platyhelminthes (flukes and tapeworms) and the roundworms or Nematoda.
What is the most common helminth disease in the United States?
A group of parasitic worm species, Ascaris lumbricoides (roundworm), Trichuris trichiura (whipworm), and Necator americanus/Ancylostoma duodenale (hookworm), are the 3 most common soil-transmitted helminths in man. Strongyloides stercoralis (strongyloidiasis) and Toxocara spp.
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