This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
[{'content': 'Patients with sickle cell anemia commonly have infection with all except: \nSelect and explain. \nA. Streptococcus pneumoniae, B. H. influenza-B, C. Myco tuberculosis, D. All of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: c. Myco tuberculosis(Ref: Nelson's 20/e p 2336, Ghai 8/e p 344)Regardless of age, all patients with sickle cell anemia are at increased risk of bacterial infection, particularly with encapsulated organisms like Streptococcus pneumoniae, Haemophilus influenzae type b and Neisseria meningitidis.", 'role': 'assistant'}]