The KIAA1109 (rs72687036) novel signal we identified has previously been associated with self-reported allergy21 and allergic sensitisation,22 type 1 diabetes,61 ulcerative colitis,62 mean platelet volume,47 and with allergic disease (asthma, hayfever, allergic rhinitis, or eczema).23 Here, BLTP1 is linked to asthma.