Stool: Shigella flexneri – Shipped February 20, 2017
A simulated stool sample, collected from a 25 year old traveler returning from the Caribbean, was sent to category A, and B laboratories.
Participants were expected to isolate, identify, and report Shigella flexneri; laboratories were also expected to perform susceptibility testing.
MAIN EDUCATIONAL POINTS from M164-3
- There are four species within the genus Shigella (dysenteriae, flexneri, boydii, and sonnei). Each species is more predominant in different areas of the world.
- MaldiTOF MS systems are unable to identify Shigella correctly.