In some places it is illegal _not_ to freeze the fish for sushi, to avoid anisakis (I don't know how it is enforced, though). source: https://elpais.com/socied

In some places it is illegal _not_ to freeze the fish for sushi, to avoid anisakis (I don't know how it is enforced, though). source: https://elpais.com/sociedad/2006/12/20/actualidad/1166569202_850215.html https://elpais.com/sociedad/2006/12/20/actualidad/1166569202...