Organism | Intermediate hosts | Distribution | Notes |
---|---|---|---|
Diphyllobothrium latum | Cyclops or Diaptomus microcrustacean followed by freshwater fish | Scandinavia (related to smoked/pickled fish), Siberia, Russia, Japan, Chile, and Uganda | largest human tapeworm, up to 10 m |
Hymenolepis nana | none; only in humans | ||
Taenia saginata | cows | worldwide, highest in Africa and Asia | |
Taenia solium | pigs (and humans) | worldwide, highest in Mexico, Central/South America, Southwest Asia, and Africa | humans are intermediate (cysticercosis) and definitive (taeniasis) hosts |