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Is there an increasing trend in domestic Salmonella infection in Sweden between 1997-2008.
Södertörn University College, School of Life Sciences.
2009 (English)Independent thesis Advanced level (degree of Master (One Year)), 15 credits / 22,5 HE creditsStudent thesis
Abstract [en]

An analysis of the recorded cases of Salmonella in Sweden indicates that there was no significant increase between 1997-2008, including or excluding outbreaks. The most common serotypes of Salmonella in Sweden were found to be S. Typhimurium and S. Enteritidis, with only the incidence of S. Typhimurium significantly increasing between 1997-2008. The most common phage types identified were S. Typhimurium 40, 104, NST and NT, with both S. Typhimurium NST and NT found to be significantly increasing. The season that has the greatest incidence of salmonellosis is the summer, from June to August. The number of Salmonella outbreaks occurring each year was found to be statistically increasing, this was however almost certainly due to a change in cluster detection techniques introduced in 2008, since a re-analysis excluding this year found no significant increase between 1997-2007. The most common serotypes that caused outbreaks during the study period were found to be S. Typhimurium, S Enteritidis, S. Saintpaul, S. Stanley and S. Hadar. There was no relationship found between the serotypes, with the number of cases not being proportional to the number of outbreaks. Despite these positive results, it should be of concern that evidence was found indicating that the sources of Salmonella infection appear to be changing, with an increase in the presence of ‘non-domestic’ serotypes.

 

Place, publisher, year, edition, pages
2009. , 34 p.
Keyword [en]
Salmonella, domestic, S. Typhimurium, S. Enteritidis
Identifiers
URN: urn:nbn:se:sh:diva-2528OAI: oai:DiVA.org:sh-2528DiVA: diva2:223236
Presentation
(English)
Uppsok

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Available from: 2009-06-11 Created: 2009-06-11 Last updated: 2009-06-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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