Tapeworms can harm human by contaminated food, soil, and water. The immature larva stage of the tapeworm that have migrated out of the intestine by cyst formed in a vital organ like lungs, liver, brain. Tapeworms are helminthes with long, tape like arrangement. They are common for some of human infections. For example, Intestinal infection and Invasive infection are common infections caused by tapeworms.
Eat contaminated food or drinks polluted drinks can cause infections. Since tapeworm eggs of larvae will maintain in the animal waste product, tapeworm infections usually starts after eat of their eggs of larvae. Some symptoms shows digestive blockage, brain and central nervous system impairment, and organ function disruption