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
River blindness is caused by :
assistant
The correct answer is  Ans. is 'b' i.e. Onchocerca volvulus Onchocerca volvulus is transmitted by Simulium damnosum, a black fly* that breeds in areas of rapidly flowing streams thus the term 'river blindness9T/t by Ivermectin*