Brief, factual summary in Slovak: News from immunoallergology in 3 minutes. The article focuses on the topic "Is there an allergy to Christmas?". A recent analysis showed that cashews most often trigger anaphylaxis in children, while in adults it is hazelnuts. Age affects sensitization profiles - in children, sensitization to storage proteins is more frequent, adults react more often to LTP and PR-10 proteins. Hymenoptera venom allergy is a life-threatening type of allergy, but it can be successfully treated. The article also contains a Christmas immuno quiz.