The Buzz, Issue #15 is now out! This month, we highlight a survey of Canadian practice patterns in atopic dermatitis, a Canadian position statement on preventing food allergy in high-risk infants, and the World Allergy Organization’s guidelines on immunotherapy for cow’s milk allergy. We also feature a Canadian survey of attitudes towards COVID-19 vaccination among patients with primary immunodeficiency and look into the sensitivity and specificity of using TPO and IgE as diagnostic biomarkers for autoimmune CSU.