This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
[{'content': 'Neonatal sepsis is commonly caused by \nSelect and explain. \nA. b-haemolytic streptococci, B. E. coli, C. H. influenzae, D. Listeria', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (E. coli) (161-G) (136-Ghai 7th)* Neonatal sepsis is the single most important cause of neonatal deaths in the community accounting for over half of them.* Most cases of neonatal sepsis in the community are caused by Escherichia-coli and staphylococcus aureus. In hospitals, Klebsiella pneumonia is also a common organism', 'role': 'assistant'}]