A hypogammaglobulinemia that is results in insufficient production of antibodies needed to respond to exposure of pathogens and is characterized by low Ig levels with phenotypically normal B cells that can proliferate but do not develop into Ig-producing cells. Patients with common variable immunodeficiency have marked reduction in serum levels of both immunoglobulin G (IgG) and immunoglobulin A (IgA); about half of these patients also have reduced immunoglobulin M (IgM). (Human Disease Ontology, DOID_12177)
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1 genes associated with the disease common variable immunodeficiency; in GWAS and other genetic association datasets from the GAD Gene-Disease Associations dataset.