Agammaglobulinemia Agammaglobulinemia, or hypogammaglobulinemia, is the most common of the primary immunodeficiencies, accounting for approximately 50% of cases. Three major types can Read More
Adenosine Deaminase Severe Combined Immunodeficiency (ADA-SCID) When you have a severe combined immunodeficiency (SCID), your immune system can’t fight off even mild Read More
