This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Name of mumps vaccine is \nSelect and explain. \nA. Jeryl Lynn, B. Edmonshon Zagreb, C. Schwatz, D. Moraten', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Widely used live attenuated mumps vaccine include the jeryl Lynn, RIT 4385, Leningrad-3, L-Zagreb and Urable strains. The current mumps strain (jeryl Lynn) has the lowest associated incidence of post-vaccine aseptic meningitis.', 'role': 'assistant'}]