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
Most sensitive index of transmission in leprosy is?
assistant
The correct answer is  Ans. is 'a' i.e., Incidence Incidence rate It is the only index for measuring the effectiveness of the measures taken. It is the most sensitive index of transmission of the disease. Prevalence It provides a measure of the 'case-load'. It is useful in the planning of treatment services. The efficacy of the drug regimen is best indicated by relapse rate.