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Tapeworm
What Is a Tapeworm? A tapeworm is a long, flat, segmented parasitic worm that lives in the intestines of humans and animals. People most often become infected by eating raw or undercooked beef, pork, or fish carrying tapeworm larvae, or by swallowing food or water contaminated with tapeworm eggs. According to the CDC, human tapeworm ... Read more
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Dipylidium caninum
Dipylidium caninum (commonly referred to as the flea tapeworm) Dipylidium caninum Details: Type:Helminth (parasitic tapeworm) Category:Intestinal cestode (zoonotic) Transmission Type:Ingestion of infected fleas (zoonotic) Primary Target Area:Small intestine Lifecycle Form:Egg packets, cysticercoid larva (infective stage in fleas), adult tapeworm (intestinal stage) Incubation Period:Adult worms typically develop within 2 to 3 weeks after ingestion of an ... Read more
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Echinococcus multilocularis
Echinococcus multilocularis (commonly associated with alveolar echinococcosis) Echinococcus multilocularis Details: Type:Helminth (parasitic tapeworm) Category:Tissue cestode (zoonotic tapeworm) Transmission Type:Fecal-oral (wild canid-associated) Primary Target Area:Liver (primarily), with possible spread to lungs or other organs Lifecycle Form:Egg (infective stage), alveolar cyst (larval stage in humans), adult worm (intestinal stage in foxes and other canids) Incubation Period:Symptoms may ... Read more
Echinococcus granulosus
Echinococcus granulosus (commonly associated with hydatid disease) Echinococcus granulosus Details: Type:Helminth (parasitic tapeworm) Category:Tissue cestode (zoonotic tapeworm) Transmission Type:Fecal-oral (zoonotic, dog-associated) Primary Target Area:Liver (most common), lungs, other organs Lifecycle Form:Egg (infective stage), hydatid cyst (larval stage in humans), adult worm (intestinal stage in dogs) Incubation Period:Symptoms may develop months to years after ingestion of ... Read more
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Hymenolepis nana (Dwarf Tapeworm)
Hymenolepis nana (commonly referred to as the dwarf tapeworm) Hymenolepis nana Details: Type:Helminth (parasitic tapeworm) Category:Intestinal cestode Transmission Type:Fecal-oral (direct egg ingestion), autoinfection possible Primary Target Area:Small intestine Lifecycle Form:Egg (infective stage), cysticercoid larva (intestinal stage), adult tapeworm Incubation Period:Adult worms typically develop within 2 to 4 weeks after ingestion of infective eggs. Transmission: Hymenolepis ... Read more
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Diphyllobothrium latum (Fish Tapeworm)
Diphyllobothrium latum (commonly referred to as the fish tapeworm) Diphyllobothrium latum Details: Type:Helminth (parasitic tapeworm) Category:Intestinal cestode Transmission Type:Foodborne (consumption of raw or undercooked freshwater fish) Primary Target Area:Small intestine Lifecycle Form:Plerocercoid larva (infective stage in fish), adult tapeworm (intestinal stage in humans) Incubation Period:Adult worms typically develop within 3 to 6 weeks after ingestion ... Read more
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Taenia solium (Pork Tapeworm)
Taenia solium (commonly referred to as the pork tapeworm) Taenia solium Details: Type:Helminth (parasitic tapeworm) Category:Intestinal cestode (with potential tissue involvement) Transmission Type:Foodborne (undercooked pork), fecal-oral (egg ingestion) Primary Target Area:Small intestine (adult worm stage), muscles, brain, eyes (larval cyst stage) Lifecycle Form:Cysticercus (larval stage in pigs and sometimes humans), adult tapeworm (intestinal stage in ... Read more
Taenia saginata (Beef Tapeworm)
Taenia saginata (commonly referred to as the beef tapeworm) Taenia saginata Details: Type:Helminth (parasitic tapeworm) Category:Intestinal cestode Transmission Type:Foodborne (consumption of undercooked beef) Primary Target Area:Small intestine Lifecycle Form:Cysticercus (larval stage in cattle, infective to humans), adult tapeworm (intestinal stage in humans) Incubation Period:Adult worms typically develop within 8 to 12 weeks after ingestion of ... Read more
Frequently Asked Questions
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