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Keywords: asthma; atopic dermatitis; autoimmunity; epidemiology; ethnicity; rheumatoid; rhinitis; SLE; vitiligo EN asthma atopic dermatitis autoimmunity epidemiology ethnicity rheumatoid rhinitis SLE vitiligo 144 147 4 01/05/21 20210101 NES 210101 To the Editor, The burden of allergic diseases (ADs) such as asthma and rhinitis and autoimmune disorders (AIDs) such as rheumatoid arthritis (RA) is relatively low/moderate in low- and low-middle-income countries,1,2 and there is some evidence regarding higher incidence rates of these conditions amongst immigrant population settled in high-income countries.3,4 The burden of ADs is particularly high in high-income countries such as the UK, Republic of Ireland and New Zealand.1 Studies in immigrants have been limited by several factors including relatively small sample size, shorter duration and methodological issues such as selection bias, survey- or questionnaire-based data, focus on a single or limited number of ADs or AIDs, and some not accounting for important disease confounders such as smoking history. Specifically, the risk of AE, ARC, SLE, ATD and vitiligo is uniformly higher amongst British ethnic minority groups in comparison with the White population. Asthma, atopic dermatitis, autoimmunity, epidemiology, ethnicity, rheumatoid, rhinitis, SLE, vitiligo. [Extracted from the article]