Tapeworms (Cestodes) The three common types of tapeworms are Taenia solium, found in pork; Taenia saginata, found in beef; and Diphyllobothrium latum, found in fish. Tapeworm eggs are for the most part ingested through food, water, or soil contaminated with human or animal host excrement.
Where do most tapeworms come from?
This type of infection is most common with tapeworms that come from infected pigs, and much less common if the original host was cattle or fish. If the meat or fish have larvae cysts and is undercooked or raw, the cysts can reach the intestine where they mature into adult tapeworms.
Where are tapeworms found in humans?
Tapeworms generally inhabit the intestines of humans and animals. They have a series of hooks (or suckers) on one end that they use to attach to the intestine to get nourishment from the host. For the most part, having intestinal tapeworms is harmless.
Do tapeworms live everywhere?
Despite this, tapeworm larvae can be found anywhere, and poor hygiene can promote the spread of these unsavory pests no matter what country you call home. There are several exotic varieties, but the common tapeworm is the culprit responsible for the majority of infections in humans.
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