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Question

All are true about Shigella sonnei except
  1. It causes the mildest form of dysentery.
  2. It causes enteric fever.
  3. It is a late lactose fermenter.
  4. It is motile.

A
It causes enteric fever.
B
It is motile.
C
It causes the mildest form of dysentery.
D
It is a late lactose fermenter.
Solution
Verified by Toppr

Shigella sonnei is a non-motile, non-spore forming, facultative anaerobic gram-negative bacterium. Its non-motile characteristic means that this species does not have flagella to facilitate its movement like many other human enterobacteria. Shigella sonnei is a rod-shape bacterium and is lactose-fermenting bacterium causing dysentery.
Hence the correct option is D.

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