system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True morbidity in a population can be calculated by?
assistant
The correct answer is  Ans. is 'c' i.e., Active surveillance o True morbidity is calculated by --> Active surveillance o Missing cases are detected by --> Sentinal surveillance