Common variable immunodeficiency is an immune system disorder characterized by low levels of protective antibodies and an increased risk of infections. SIGNS AND SYMPTOMS OD COMMON VARIABLE IMMUNODEFICIENCY CAUSES OF COMMON VARIABLE IMMUNODEFICIENCY PATHOPHYSIOLOGY OF COMMON VARIABLE IMMUNODEFICIENCY DIAGNOSIS OF COMMON VARIABLE IMMUNODEFICIENCY TREATMENTS FOR COMMON VARIABLE IMMUNODEFICIENCY PROGNOSIS OF COMMON VARIABLE IMMUNODEFICIENCY COMPLICATIONS OF…