This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: VBDs, Arboviral & Viral Infections, Surface Infections, Subject name: Social & Preventive Medicine
[{'content': 'Best specimen for diagnosis of rabies in a living person is:- \nSelect and explain. \nA. Corneal smears, B. Biopsy of skin follicles on neck, C. CSF, D. Saliva', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Best specimen for diagnosis :- Disease Preferred specimen Rabies (living person) Biopsy of skin follicles on nape of neck Rabies (dead person) Brain (Hippocampus) biopsy Rabies (living dog) Brain (hippocampus) biopsy Rabies (dead dog) Brain (hippocampus) biopsy Diphtheria Nasal swabs, Throat swabs Influenza Nasopharyngeal secretions H1N1 influenza Nasopharyngeal secretions Tuberculosis Sputum Malaria Blood HIV/AIDS Blood', 'role': 'assistant'}]