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': 'Salmonellosis is most common in: \nSelect and explain. \nA. Sickle cell anemia, B. Thalassemia, C. Hemophilia, D. Cystic fibrosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Sickle cell anemia(Ref: Nelson's 20/e p1386 and 2339, Ghai 8/e p)Children with sickle cell disease are at increased risk for Salmonella septicemia and osteomyelitis.", 'role': 'assistant'}]