X-linked agammaglobulinemia (XLA): Phenotype, diagnosis, and therapeutic challenges around the world

BackgroundX-linked agammaglobulinemia is an inherited immunodeficiency recognized since 1952. In spite of seven decades of experience, there is still a limited understanding of regional differences in presentation and complications. This study was designed by the Primary Immunodeficiencies Committee of the World Allergy Organization to better understand regional needs, challenges and unique patient features.MethodsA survey instrument was...