Background: Salmonella enterica subsp. enterica serovar Amsterdam (antigenic formula 3,{10}{15}{15,34}:g,m,s:–) is a serovar of the O:3,10 (E1) serogroup. 

Animal reservoir: Serovar Amsterdam is found in rats.

Geographical distribution: Serovar Amsterdam has been found in Denmark, Germany, the Netherlands, Norway and Sweden. 

Outbreaks: Outbreaks of S. Amsterdam have been reported.

Year

Location

Associated source

Number of cases

2019

Europe

Sesame-based products

121*

* Six different serotypes including Salmonella Amsterdam, Salmonella Havana, Salmonella Mbandaka, Salmonella Kintambo, Salmonella Orion and Salmonella Senftenberg are associated with the outbreak 

Border Rejections:

Year

Location

Associated Source

Number of Cases

2022

Germany

Halva with pistachios from Syria

NA

2023

Norway

Halvah from Syria

NA

Relevant links and references:

  1. https://pubmed.ncbi.nlm.nih.gov/6358699/
  2. https://www.foodsafetynews.com/2021/10/u-s-and-canada-part-of-salmonella-outbreak-linked-to-tahini-and-halva/
  3. https://www.hps.scot.nhs.uk/publications/hps-weekly-report/volume-55/issue-42/ecdc-rapid-risk-assessment-multi-country-outbreak-of-multiple-salmonella-enterica-serotypes-linked-to-imported-sesame-based-products/
  4. https://bioportal.bioontology.org/ontologies/SNOMEDCT?p=classes&conceptid=114277008#details
  5. https://webgate.ec.europa.eu/rasff-window/screen/notification/615422
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