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| Q. |
The incubation period of Typhoid bacillus causing typhoid fever is |
| A. | 1 to 3 days |
| B. | 3 to 5 days |
| C. | 7 to 21 days |
| D. | 20 to 30 days |
| E. | None of the above |
| Answer» C. 7 to 21 days | |
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