Johns Hopkins ABX Guide
Salmonella typhi
MICROBIOLOGY
- Aerobic, Gram-negative rod [Fig 1], 2-4 x 0.4-0.6µm.
- It grows on standard media from a stool source but needs a 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.
- Typhoid and paratyphoid fever are collectively known as enteric fever.
- See separate non-typhoidal Salmonella spp module for these agents that cause enterocolitis and are a significant cause of food-borne infection.
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Last updated: February 5, 2023
Citation
Fabre, Valeria. "Salmonella Typhi." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540692/all/Salmonella_typhi.
Fabre V. Salmonella typhi. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540692/all/Salmonella_typhi. Accessed June 1, 2023.
Fabre, V. (2023). Salmonella typhi. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540692/all/Salmonella_typhi
Fabre V. Salmonella Typhi [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2023 June 01]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540692/all/Salmonella_typhi.
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