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': 'Rabbies is identified by - \nSelect and explain. \nA. Guarneri bodies, B. Negri bodies, C. Cowdry A bodies, D. Cowdry B bodies', 'role': 'user'}, {'content': "Answer: B \nExplanation: Diagnosis may be made postmoem by demonstration of Negri bodies in the brain but may be absent in about 20% of cases. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO-533", 'role': 'assistant'}]