“…Atopic diseases such as eczema, asthma, hayfever and food allergy do appear to be more common in certain regions, especially high‐income, urbanized settings. There is significant variation in prevalence worldwide, and while awareness of allergic diseases, allergy service provision, testing, pharmaceutical and device treatments are all increasing, hard evidence for ongoing increases in disease burden is difficult to generate 1,2 . This is partly because studies have often used different methodologies of disease diagnosis (e.g.…”