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
You are the MO in charge in a PHC and there has been a plague epidemic in your area. Which of the following measure is the LEAST appropriate for controlling epidemic?
assistant
The correct answer is  After vaccination it takes about 5-7 days for the immunity to develop. So it should be carried out at least a week before the expected outbreak. This vaccination is only used for prevention and not control of outbreak. Also know: Tetracycline is the drug of choice for chemoprophylaxis against plague. Ref: Park, Edition 21, Page - 271.