This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Salmonellosis is most common in – \nSelect and explain. \nA. Sickle cell anemia, B. Thalasseimia, C. Hemophilia, D. Cystic fibrosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: "Salmonella spp. and S. aureus are the major causes of long bone osteomyelitis complicating sickle cell anemia". \xa0 ___ Harrison', 'role': 'assistant'}]