Jeevarathnum, A.C.Van Niekerk, AndreKriel, J.Green, Robin J.2022-01-282022-01-282021Jeevarathnum, A.C., Van Niekerk, A., Kriel, J. et al. 2021, 'Common variable immunodeficiency disorders : what generalists should know', African Journal of Thoracic and Critical Care Medicine, vol. 27, no. 3, pp. 112-116.2617-019110.7196/AJTCCM.2021.v27i3.228http://hdl.handle.net/2263/83513Primary immune deficiency disorders (PIDDs) are common and underdiagnosed. Predominant antibody deficiencies (PADs) are the most common type of immune deficiency and comprise 55% of the immune deficiencies diagnosed. Although immunoglobulin A (IgA) deficiency remains the most common type of PID, common variable immunodeficiency disorders remain the most common symptomatic PID for which medical therapy is sought.enSouth African Medical Association NPCCommon variablePredominant antibody deficiency (PAD)Primary immune deficiency disorder (PIDD)Immunoglobulin A (IgA)Article