This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, 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: child with sickle cell disease are more prone to infection by H.influenzae, S.pneumoniae, salmonella,M.pneumoniae, E.coli,S.aureus. Reference : Ghai essential of pediatrics, eighth edition, p.no:345', 'role': 'assistant'}]