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Related Experiment Videos

Epidemiological and microbiological data on Salmonella enteritidis.

L B Hasenson1, L Kaftyreva, V G László

  • 1Republic Salmonella Centre, Institute Pasteur, Saint Petersburg, Russia.

Acta Microbiologica Hungarica
|January 1, 1992
PubMed
Summary

Salmonella enteritidis outbreaks linked to eggs rose in Russia starting in 1986. Phage type 1 dominated human and egg-related strains in both Russia and Hungary, indicating a common source.

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Area of Science:

  • Microbiology
  • Epidemiology
  • Food Safety

Background:

  • Salmonella enteritidis infections have been increasing in humans and food products.
  • The consumption of hen's eggs has been identified as a potential source of Salmonella enteritidis outbreaks.
  • Understanding the prevalence and characteristics of Salmonella enteritidis strains is crucial for public health.

Purpose of the Study:

  • To investigate the rise of Salmonella enteritidis in Russia and its connection to egg consumption.
  • To determine the phage types of Salmonella enteritidis strains isolated in Russia and compare them with strains from Hungary.
  • To analyze the antibiotic resistance and plasmid profiles of Salmonella enteritidis strains.

Main Methods:

  • Epidemiological analysis of Salmonella enteritidis isolations in humans, eggs, and egg products.

Related Experiment Videos

  • Phage typing of Salmonella enteritidis strains using the Hungarian typing scheme.
  • Antibiotic susceptibility testing and plasmid profiling of isolated strains.

    • Main Results:

    • Salmonella enteritidis isolations increased in Russia starting in 1986, linked to egg consumption.
    • Phage type 1 was predominant (86.7%) in Russian strains from humans and egg products.
    • Hungarian strains (1984-1989) also showed phage type 1 predominance (69.3%-93.2%), with low antibiotic resistance (1%).

    Conclusions:

    • Phage type 1 Salmonella enteritidis strains are a significant cause of human and foodborne infections in Russia and Hungary.
    • Hen's eggs are a likely vehicle for the spread of Salmonella enteritidis, particularly phage type 1.
    • Further surveillance and control measures targeting egg production are recommended to mitigate Salmonella enteritidis infections.