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
Polyvalent antivenin is not prepared by using the venom of which of the following following snakes?
assistant
The correct answer is  Polyvalent antivenin is prepared mainly for four snakes. By hyper immunising with horse with venom. The snakes are Naja naja, Echis carinate, Daboia russel and Bungarus caeruleus.