immunodeficiency AE X-linked agammaglobulinemia AE Congenital Agammaglobulinemia AE https://en.wikipedia.org/wiki/X-linked_agammaglobulinemia XLA AE http://primaryimmune.org/about-primary-immunodeficiencies/specific-disease-types/agammaglobulinemia-x-linked-autosomal-recessive/ BY. YH https://ghr.nlm.nih.gov/condition/x-linked-agammaglobulinemia Bruton’s Agammaglobulinemia AE An immunodeficiency AE that affects the immune system and results in the lack of the ability for the body to generate mature B cells, which manifests as a complete or near-complete lack of proteins called gamma globulins, including antibodies, in their bloodstream. This AE occurs almost exclusively in males. This AE also increases susceptibility to infections.