Detecting Gaps in Knowledge: The Case of the <i>Anisakis</i> in Northwestern Spain
2024
Beatriz Garcia-Sanchez | Paula Masiá | Eva Garcia-Vazquez | Alba Ardura | Eduardo Dopico
In the marine environment, fish parasites are present in most seafood species. The most common are nematodes of the genus <i>Anisakis</i>, which can parasitize human tissues, causing anisakiasis and allergies—in some cases with a strong reaction, such as anaphylactic shock. This happens when people ingest live or dead larvae present in the muscles or viscera of a wide range of fish and cephalopods. Consumer education has been positioned as one of the most effective alternatives for its prevention. This study, carried out in Asturias (northwest Spain), sought to identify the seafood products that present the greatest risk of anisakiasis for consumers, taking into account their consumption, the prevalence of <i>Anisakis</i>, and consumer knowledge about this parasitosis. In the results, hake (<i>Merluccius merluccius</i>) and cod (<i>Gadus morhua</i>), frequently consumed in the region and with high parasite prevalence, do not pose a great risk because they are consumed when well cooked. Instead, sardine (<i>Sardina pilchardus</i>), highly consumed and less parasitized, and anchovy (<i>Engraulis encrasicolus</i>), highly parasitized and less consumed, would exhibit a medium risk. Young participants know more about the risks of anisakiasis from raw seafood. The gaps detected in the knowledge about the ability of temperature treatments to eliminate parasites, especially in allergic people, must be addressed for better prevention. We suggest campaigns adapted to the population sectors.
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