the primary immunodeficiency (pi) disorders are abnormalities in development and maturation of the immune system. individuals with pi disease may experience frequent infections, which limit their abilities to exhibit physical and psychological well-being secondary to their illness. in this survey we compared health-related quality of life of primary immune deficient patients with healthy childr...

common variable immunodeficiency (cv id) is a heterogeneous primary immunodeficiency disorder, characterized by hypogammaglobulinemia and increased susceptibility to recurrent bacterial infections. to determine the spectrum of infectious complications in patients with common variable immunodeficiency (cv id), we reviewed the hospital records of 64 cvid patients, who were diagnosed in children&a...