Prevalence of selective IgA deficiency in healthy adults in Qatar: a cross-sectional study

World Allergy Organization Journal 2026 Open access

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Authors: Sally Mahgoub Khalil, Mohammad S. Ehlayel, Dalal Sideeg Abass Mudawi, Raja H.M. Abdelhadi, Maryam Ali Al‐Nesf
DOI: 10.1016/j.waojou.2026.101279
Cited by: 0

Abstract

Selective IgA deficiency (SIgAD), the commonest PIDD, is defined as serum IgA levels < 7 mg/dL in individuals older than 4 years with normal other immunoglobulins. Subjects affected are usually asymptomatic but may present recurring infections, allergies, or autoimmune disease1. This study aimed to determine the prevalence of SIgAD among healthy adults in Qatar.

Fields of Study & Subjects

Immunodeficiency and Autoimmune Disorders T-cell and B-cell Immunology Blood disorders and treatments

Publication details

Journal / source
World Allergy Organization Journal
Volume
19
Issue
2
Pages
101279–101279
Publication date
1 February 2026
Language
EN