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 is the most common worm found in humans?
Pinworms are also called “threadworms.” They're the most common type of intestinal worm infection in the U.S., and one of the most common in the world. They're thin and white, and about one-quarter to one-half inch long -- about as long as a staple. Tapeworms are flat worms that look a bit like ribbons.
How common are worms in humans?
It's estimated that more than 1 billion people in the world are infected with pinworms, and they're the most common type of worm that infects humans in North America. Children are most commonly infected.
What are the 5 most common parasites?
In the United States, the most common foodborne parasites are protozoa such as Cryptosporidium spp., Giardia intestinalis, Cyclospora cayetanensis, and Toxoplasma gondii; roundworms such as Trichinella spp. and Anisakis spp.; and tapeworms such as Diphyllobothrium spp. and Taenia spp.
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