M121-2

Stool: Vibrio parahaemolyticus – Shipped May 2012

HISTORY

The challenge was sent to category A and B laboratories. The sample was a simulated stool obtained from a 35 year old patient with diarrhea and a history of eating clams in New Brunswick .

Participants were expected to isolate and identify Vibrio parahaemolyticus and to report to Public Health authorities.

MAIN EDUCATIONAL POINTS from M121-2

  1. Most Vibrio species are halophilic and require salt for growth.
  2. Commercial systems may not always identify these organisms correctly. Check the manufacturer’s instructions to see if supplementation with salt is required before testing.

Full critique (PDF)

Posted in Clinical Bacteriology Results, critiques