Fig. 5
From: Zoonotic parasites associated with predation by dogs and cats
Life cycle of Echinococcus multilocularis. (1) Adults develop in intestine of dogs as definitive hosts, (2) eggs are excreted in feces and can contaminate (2.1) water or (2.2) the environment or (2.3) adhere to the fur of definitive hosts. (3) Intermediate hosts (rodents) and humans are infected by ingesting eggs, with larvae developing in cysts in organs (e.g. liver). (4) Dogs ingest intermediate hosts, and larvae develop in adults in the intestine