[Clinical and therapeutic features in patients with common variable immunodeficiency from two third-level care hospitals from Mexico City].

Background: Common variable immunodeficiency (CVID) is one of the most common antibody deficiencies, is characterized by low serum immunoglobulins, defective antibody response and increased susceptibility to chronic and recurrent infections.

Objective: we present the clinical findings of patients with CVID in two hospitals in Mexico City.

Methods: We performed a retrospective study of patients who filled CVID criteria.