This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
The risk groups for pneumococcal pneumonia includes all of the following except: 
Select and explain. 
A. Chronic renal failure, B. Lymphoma, C. Old Age, D. Thalassemia
D: Thalassemia
Answer: D: Thalassemia 
Explanation: Asplenia or splenic dysfunction, chronic respiratory disease, chronic hea disease, chronic kidney disease, Diabetes, Immunosuppression/immunocompromised, extremities of age, smoking, alcoholism, crowding, prior hospitalization ..etc are clinical risk groups for pneumococcal infection(Ref: Harrison's 19/e 949)