This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': "Human to human transmission not seen in - \nSelect and explain. \nA. SARS, B. Japanese B encephalitis, C. Bird's flu, D. Poliomyelitis", 'role': 'user'}, {'content': "Answer: B \nExplanation: japaneseB encephalitis human infection is tangential'dead end' eventbird to bird transmisdion occur REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE521", 'role': 'assistant'}]