Stool: Vibrio parahaemolyticus – Shipped May 2012
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
- Most Vibrio species are halophilic and require salt for growth.
- Commercial systems may not always identify these organisms correctly. Check the manufacturer’s instructions to see if supplementation with salt is required before testing.