<prompt> Transmission of agent by vectors is facilitate by the following ways except one-Contamination with body fluids of vectorsScratching - in of infected fecesIngestion of infected fecesRegurgitation  <response>: Methods in which vectors transmit agents: Biting Regurgitation Scratching in of infective faeces Contamination of host with body fluids of vectors refer pgno:98 park 23 rd edition 