This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
Negri bodies are seen in infections due to 
Select and explain. 
A. Poliovirus, B. Rabies virus, C. Herpes virus, D. Adenovirus
B: Rabies virus
Answer: B: Rabies virus 
Explanation: (B) Rabies virus # Negri Bodies:> Most characteristic pathologic finding of rabies in the CNS is the formation of cytoplasmic inclusions called Negri bodies within neurons.> Each eosinophilic mass measures 10 mm and is made up of a finely fibrillar matrix and rabies virus particles.> Negri bodies are distributed throughout the brain, particularly in Ammon's horn, the cerebral cortex, the brainstem, the hypothalamus, the Purkinje cells of the cerebellum, and the dorsal spinal ganglia.> Negri bodies are not demonstrated in at least 20% of cases of rabies, and their absence from brain material does not rule out the diagnosis.