MCQOPTIONS
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| 1. |
A 20 year old man presented with hemorrhagic colitis.The stool sample grew Escherichia coli in pure culture.The following serotype of E.coli is likely to be the causative agent: |
| A. | O 107:H7 |
| B. | O 55:H7 |
| C. | O 157:H7 |
| D. | O 159:H7 |
| Answer» D. O 159:H7 | |