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US salmon may carry Japanese tapeworm, scientists say
If you eat raw or undercooked fish, you risk developing an infection from parasites. One of the most gruesome is tapeworm, a species of digestive tract-invading parasites that includes Diphyllobothrium nihonkaiense, or the Japanese broad tapeworm. Though this worm was commonly believed to infect only fish in Asia, a study published Wednesday in the Centers for Disease Control and Prevention's monthly journal Emerging Infectious Diseases says wild salmon caught in Alaska had also been infected by this parasite.