Giardiasis is associated with which immuno disorder: (A) Common variable immunodeficiency, (B) C1 esterase deficiency, (C) C8 deficiency, (D) MAC deficiency
Answer is A. Risk factors of Giardiasis: Gammaglobulinemia Common variable immunodeficiency Selective IgA-deficiency. Cystic fibrosis Poor hygiene Elderly debilitated persons