This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Guarneri bodies are found in: \nSelect and explain. \nA. Vaccina, B. Rubella, C. Measles, D. Measles', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vaccina', 'role': 'assistant'}]