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Background: Salmonella enterica subsp. enterica serovar Saintpaul (antigenic formula 1,4,[5],12:e,h:1,2) is a serovar of the O:4 (B) serogroup.  In 1940, serovar Saintpaul was first isolated from turkey in US.

In the U.S. it ranks among the top 15 serovars causing human salmonellosis.  In Oceania, this serovar is the fourth most common serovar in humans. In addition, S. Saintpaul is commonly reported in Europe and outbreaks have been linked to internationally imported food (e.g., from Mexico).

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Genetic characteristics: 

Animal reservoir: Serovar Saintpaul is found in turkeys, swine, and dogs Unknown, but turkey and swine are likely to be reservoirs for serovar Saintpaul. 

Geographical distribution: This serovar is globally distributed. Serovar Saintpaul ranks among the top ten most prevalent non-typhoidal Salmonella (NTS)serovars globally, causing approximately 1.6% of severe human infections despite over 1,400 known NTS serovars. Between 2011 and 2020, serovar Saintpaul was one of the 10 most frequently isolated Salmonella serovars in Brazil, accounting for 1,222 cases (0.16% of 62,030 isolates). In the Northern territory of Australia, it was the third most frequently reported serovar in 2014, representing 11% of all reported salmonellosis cases. 

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¹ This recall was caused by a multistate outbreak described above. Agricola Zaragoza, Inc. of McAllen, TX issued a recall of their Jalapeno peppers. 

Relevant links:

1. https://www.jstor.org/stable/30092155?seq=2
2. https://pmc.ncbi.nlm.nih.gov/articles/PMC2876473/
3. https://pmc.ncbi.nlm.nih.gov/articles/PMC11942379/
4. https://pubmed.ncbi.nlm.nih.gov/8774669/
5. https://www.cdc.gov/salmonella/outbreaks/index.html
6. https://www.clinicalcasereportsint.com/open-access/top-10-salmonella-serovars-associated-with-human-salmonellosis-in-brazil-2011-2020-8688.pdf
7. https://www1.health.gov.au/internet/main/publishing.nsf/Content/cda-cdi4101k.htm

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