Gastroenterology · UKMLA & AKT
Shigella dysentery
A free high-yield preview for the UKMLA Applied Knowledge Test, covering how to recognise this condition. The full SA Note notes add investigations, management and complications, with practice questions on this topic.
Key high-yield points
- Gram-negative rod causing bacillary dysentery - notifiable disease in the UK
- Extremely low infectious dose - as few as 10 organisms (acid resistance via biofilm formation)
- Most UK cases are travel-acquired; rising domestic cases in MSM (S. flexneri, S. sonnei)
- Transmission - faecal-oral (person-to-person); oro-anal sexual transmission in MSM
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