Sources of sporadic Yersinia enterocolitica infection in children in Sweden, 2004: a case-control study

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S Boqvist1, H Pettersson, A Svensson

  • 1Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Swedish Zoonosis Centre, National Veterinary Institute, Uppsala, Sweden. Sofia.Boqvist@bvf.slu.se

Epidemiology and Infection
|September 16, 2008
PubMed

Insights

Yersinia enterocolitica infections are common in young Swedish children. Key risks include raw pork, treated sausage, dummy use, and contact with pets, highlighting the need for targeted prevention strategies.

Area of Science:

  • Pediatric infectious diseases
  • Microbiology
  • Public health

Background:

  • Young children in Sweden have a high incidence of Yersinia enterocolitica infections.
  • Yersiniosis incidence in children is notable compared to other gastrointestinal infections like salmonellosis and campylobacteriosis.

Purpose of the Study:

  • To investigate risk factors for domestic sporadic Yersinia enterocolitica infections in children aged 0-6 years in Sweden.
  • To inform the development of preventive recommendations for pediatric yersiniosis.

Main Methods:

  • A case-control study design was employed.
  • 117 cases and 339 controls were included in the analysis.
  • Multiple non-parametric imputation was used to handle missing data.

Main Results:

  • Eating raw pork products (OR 3.0) and treated sausage (OR 1.9) were significant risk factors.
  • Use of a baby's dummy (OR 1.9) and contact with domestic animals (OR 2.0) were also identified as risk factors.
  • Multivariate analysis confirmed these associations for pediatric yersiniosis.

Conclusions:

  • The significance of Yersinia enterocolitica infections in children may be underestimated.
  • Findings provide a basis for targeted preventive measures against pediatric yersiniosis.
  • Public health interventions should consider dietary habits and environmental exposures in young children.

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