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The early diagnosis of typhoid and paratyphoid infections

Journal of Laboratory and Clinical Medicine
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  • Laboratory Methods


Abstract In the first case while the Widal reaction and the blood count were in no way indicative of a typhoid or paratyphoid infection on the day of examination, the paratyphoid bacilli were identified in the urine. In the second case the blood count was likewise of no value, in fact it was somewhat suggestive of a leucocytosis. The Widal reaction was doubtful, while the bacilli in the urine were identified as typhoid bacilli seven days before a typical Widal reaction was obtained and nine days before the blood count was typical. In the third case the bacilli were identified at the same time that the blood count and Widal reaction showed typical for typhoid.

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