Microbiology Adenosine deaminase (enzyme) deficiency is associated with: A Severe combined immunodeficiency (SCID) B X-linked agammaglobulinemia C Transient hypogammaglobulinemia of infancy D Chronic granulomatous disease 💡 Explanation Adenosine deaminase (enzyme) deficiency is associated with: ✓ Correct Answer: A. Severe combined immunodeficiency (SCID)