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Vibrio vulnificus and V. parahaemolyticus both gram-negative, motile bacteria are mostly found in warm coastal areas. What is/are the common source through which these bacteria can be transferred to human and cause infections?

  • A.Water
  • B.Oysters
  • C.Shellfish
  • D.All of the above

Answer: D

Correct answer: All of the above

Both organisms live in warm coastal water, so exposure comes through the water itself - typically through a wound - and through the filter-feeding shellfish that concentrate them, oysters above all. Eating raw shellfish and swimming or fishing with an open wound are therefore the two routes, and both are seasonal.

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