Who is affected by common variable immunodeficiency (CVID)?

Who is affected by common variable immunodeficiency (CVID)?

CVID occurs in about 1 out of 25,000 people. It affects males and females in equal numbers. The condition can appear in children or teens, but usually isn’t recognized until adulthood. In most cases, a doctor diagnoses the disorder when a person is between the ages of 20 to 50.