''E. multliocularis'' has a typical cestode life cycle involving the formation of a metacestode cyst in the intermediate host before developing to adulthood in the definitive host. The definitive host for ''E. multliocularis'' is most commonly the dog, though it has also been seen in the cat. Epedimiologically the most important definitive host in the spread of the disease is the fox. ''E. multliocularis'' mainly uses small rodents such as voles, mice and rats as an intermediate host, forming multilobular hydatis cysts in the liver of the host. The sahort life span of the intermediate host species is the reason for the rapid growth of the cyst, even in longer lived host like humans. This is the stage that generally causes pathology in the host animal and can be fatal.
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''E. multliocularis'' has a typical cestode life cycle involving the formation of a metacestode cyst in the intermediate host before developing to adulthood in the definitive host. The definitive host for ''E. multliocularis'' is most commonly the dog, though it has also been seen in the cat. Epedimiologically the most important definitive host in the spread of the disease is the fox. ''E. multliocularis'' mainly uses small rodents such as voles, mice and rats as an intermediate host, forming multilobular hydatis cysts in the liver of the host. The short life span of the intermediate host species is the reason for the rapid growth of the cyst, even in longer lived host like humans. This is the stage that generally causes pathology in the host animal and can be fatal.