Figure 1From: Chronic granulomatous disease: a review of the infectious and inflammatory complicationsDistribution of Common Immunodeficiencies. Primary immune deficiencies can involve either the adaptive (T- and B-lymphocyte deficiencies) or the innate (phagocyte, complement or other defects) immune response (Figure 1). Of these, defects in phagocyte function constitute only about 18%, with the larger portion of the defects seen in the B cell/antibody and/or T cell components of immunity.Back to article page