<prompt> Brucellosis can be transmitted by all of the following modes, except:Contact with infected placentaIngestion of raw vegetables from infected farmsPerson to person transmissionInhalation of infected dust or aerosol  <response>: Ans. is c i.e., Person to person transmissionRef: Harrison, 19the, p. 1066 and Ananthanarayan, 9the, p. 339Transmission - Contact with infected animals Camel, sheep, goat, pigs - Placenta, urine, milk and other discharges. Inhalation of infected dust or aerosols. Contaminated food products and ingestion of raw vegetables form infected farms.People at risk - Farmers, shepherds, goatherd, butters and abattoir workers. Man to man transmission does not occur. 