Background: Salmonella Stanley enterica subsp. enterica serovar Stanley (antigenic formula: 1,4,[5],12,[27]:d:1,2) is a serovar of the O:4 (B) serogroup. S. Stanley is a predominant serovar in commonly associated with human clinical infections in South East Asia, which appears to have spread to Europe. Initial cases in Denmark were associated with patients that traveled to Thailand; however, multiple outbreaks in Europe associated with different sources (poultry, cheese, alfalfa sprouts) suggest that S. Stanley has been dispersed is also found in Europe. In Asia, cases have been found in children under the age of 5. Multidrug resistant strains that encode extended spectrum beta-lactamases (enzymes that confer resistance to third generation cephalosporin) have been reported in clinical cases in Asia and Europe.
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Outbreaks: Multiple outbreaks have been linked to S. Stanley in Europe. In the US a recent outbreak linked with S. Stanley caused 14 cases and a recall of raw cashew cheese. In the EU an outbreak that last for 17 months appears to continue since cases with the same strain (identical PFGE) have been reported in 2014.
Year | Location | Associated source | Number of cases |
2020 | US (Multistate) | Wood Ear Mushrooms | 55 |
2013-14 | US-multistate | Raw cashew cheese | 14 |
2011-13 | EU-multi-country | Turkey | 710 |
2007 | Sweden | Alfalfa sprouts | 51 |
2006-07 | Switzerland | Soft cheese | 82 |
2004 | Australia | Unknown | 33 |
2001 | UK (Newport & Stanley) | Peanuts | 109 |
Relevant links:
- http://www.cdc.gov/salmonella/stanley-01-14/index.html
- http://www.ncbi.nlm.nih.gov/pubmed/3303205
- http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=18979
- http://www.sproutnet.com/Salmonella-Stanley-in-Sweden
- http://ecdc.europa.eu/en/publications/publications/20120921_rra_stanley_salmonella.pdf
- http://www.ncbi.nlm.nih.gov/pubmed/22205822
- http://www.ncbi.nlm.nih.gov/pubmed/17932601