

MCQOPTIONS
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1. |
Which of the following statements about Salmonella is not true ? |
A. | In natural infection, infective dose is regular below 1000 organisms |
B. | Gastric resection decrease in infective dose |
C. | Rose spots are characteristic but not specific for enteric fever |
D. | Phase II flagellar antigen is specific for a species |
Answer» E. | |