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
Transmission of agent by vectors is facilitated by the following ways except one -
assistant
The correct answer is  Ans. is 'c' i.e., Ingestion of infected material o Methods in which vectors transmit agent are: a) Biting b) Regurgitation c) Scratching in of infective feaces. d) Contamination of host with body fluids of vectors