[Seroepidemiological data on anisakiasis: prophylactic consequences in fish products].
The Western blotting method allowed us to confirm the diagnosis in 7 cases of acute anisakiasis, to assess it in 5 cases of chronic anisakiasis, and to follow up the evolution. These chronic frames according to the question of their long term evolution, and the part played by Anisakis simplex in fish nutritional allergy increase the negative score of that parasite. This situation should leave to discuss preventive rules.