The film discusses the life cycle of the tapeworm Diphyllobothrium latum, affecting nearly 10 million people primarily in cooler northern regions. This parasite requires three hosts: a fish-eating ...

But, because it’s closely related to the Diphyllobothrium latum, any illness or symptoms would probably be similar. In almost all cases, symptoms will be minor or completely unnoticeable.

To prove the point, paper co-author Julius Lukeš even ingested three developmental stages of a large species of tapeworm called Diphyllobothrium latum.

Diphyllobothrium infections constitute a significant food‐borne zoonosis resulting from the ingestion of raw or undercooked fish harbouring infectious larval forms. Caused primarily by members ...