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: Social & Preventive Medicine
[{'content': 'The time interval between reception of infection and maximum infectivity of the host is known as \nSelect and explain. \nA. Generation time, B. Serial interval, C. Latent period, D. Median incubation period', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]