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: Microbiology
[{'content': 'BPF (Brazilian purpuric fever) is caused by: \nSelect and explain. \nA. H.influenzae biotype aegyptius, B. V. cholerae, C. Salmonella, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: H. aegyptius:\n→ Identical to non-capsulated H.influenza, now named as H.influenza biotype aegyptius.\n→ Causes highly contagious form of conjunctivitis (PINK EYE) and Brazilian purpuric fever.\xa0\n→ BPF (Brazilian purpuric fever):\xa0Conjunctivitis proceeding to fulminant septicemia in infants and children with high fatality.', 'role': 'assistant'}]