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Human transmission of Brucellae occurs by

  • A.ingestion of contaminated meat
  • B.direct contact with animal tissues
  • C.ingestion of infected milk
  • D.all of these

Answer: D

Correct answer: all of these

All three are established routes. Ingestion of unpasteurised milk and its products is the commonest source in the general population; contaminated meat carries the organism as well; and direct contact with infected tissues, placentas and abortion material makes brucellosis an occupational disease of farmers, abattoir workers, veterinarians and laboratory staff. Person-to-person spread, by contrast, is very rare.

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