<prompt> Vectors may transmit infection by all of the following methods, EXCEPT:IngestionRegurgitationRubbing of infected faecesContamination with body fluids  <response>: Methods by which vectors transmit an infectious agents are: Biting Regurgitation Scratching in infected faeces Contamination of host by body fluids of vectors Ref: Preventive and Social Medicine, by K.Park, 19th edition, Page 92. 