Peanut and Tree Nut Anaphylaxis in Kids During Holidays Christmas Spares, but Easter and Halloween Pose Risk, Parents Should be Alert Leung et al collected data on confirmed pediatric cases of anaphylaxis presenting to emergency departments in 4 Canadian provinces as part of the Cross-Canada Anaphylaxis Registry. https://open.substack.com/pub/petermcculloughmd/p/peanut-and-tree-nut-anaphylaxis-in @PeterMcCulloughMD .