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': 'Varicella zoster virus becomes latent in: \nSelect and explain. \nA. Sacral ganglia, B. Trigeminal ganglia, C. Salivary glands, D. Anterior horn cells of spinal cord', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Trigeminal gangliaVaricella zoster virus becomes latent in ophthalmic branch of trigeminal ganglia and cause Herpes zoster on reactivation', 'role': 'assistant'}]