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Vibrio cholerae on MacConkey agar |
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Overnight colonies of Vibrio cholerae on MacConkey agar tend to be small to moderately sized (1 to 3 mm) and usually appear as lactose-negative or slightly pink, often resembling colonies of “late” or “slow” lactose-fermenting organisms. Suspicious colonies should be subcultured to noninhibitory media for further testing.
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Microscopy:
Gram-negative, curved, non-spore-forming rods. |
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