What is food allergy?
•Death in Sweden: Soya-allergic pupil ate soyaburger in school canteen which was called "hamburger"
•Death in Canada: Peanut-allergic woman bought "Marcipan" containing cake which contained peanuts instead of almonds
•Death in USA: Walnut-allergic man ate a walnut containing Veggie-Burger at a friend's place
Restaurant, canteen, friend's place, unpackaged food without labelling are risk factors