Salmonella typhi

Salmonella typhi is a topic covered in the Johns Hopkins ABX Guide.

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MICROBIOLOGY

  • Aerobic, Gram-negative rod, 2-4 x 0.4-0.6µm.
  • Grows on standard media from stool source, but need fresh specimen.
    • Enrichment broth (tetrathionate or selenite) may help growth when organisms present in low numbers.
  • Salmonella enterica serovars Typhi and Paratyphi cause typhoid and paratyphoid fever respectively. Typhod and paratyphoid fever are collectively known as enteric fever.

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Last updated: January 3, 2018