Anisakis simplex (left) in cod
One of my friends invited me to go out for sushi tonight (coincidence considering todays lecture!!)...fair enough, I am a vegetarian and I had class so I couldn't/wouldn't go....BUT I did want to mention Herring Worm Disease (after we discussed it in class today) to her...just to bug her a little!!
The presence of parasites in fish is very common, but most of them are of little concern with regard to economics or public health. Anisakiasis is a gastrointestinal parasitosis caused by the larval stages of anisakid nematodes. Humans acquire the disease by eating raw or improperly cooked or preserved seafood. Surviving worms will then penetrate the gut wall and enter the peritoneal cavity. Symptoms are often non-specific with abdominal pain, nausea and vomiting. Vague abdominal pain and possibly fewer may persist for weeks. Anisakiasis is common in Europe (the Netherlands), Japan and the US.
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