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[Incidence of S. typhimurium in the Czech Republic 1999-2001]
H Srámová1, C Benes, R Karpísková
1Státní zdravotní ústav, Praha.
Abstract:
The ratio of serovars of S. Typhimurium among notified cases of salmonelloses in 1999-2001 did not exceed 3% and so far has a slightly declining trend. On a long-term basis the highest morbidity rate caused by this agent is reported in the South Moravian region. The age distribution and specific morbidity is highest in 1-4-year-old children, the seasonal incidence is highest, in the summer months. The most frequently suspected vehicles are eggs, poultry and meat products, in 1999 for the first time as a vehicle a grilled piglet was reported, in a total of three epidemics. Epidemiological analysis of salmonelloses caused by S. Typhimurium revealed that in the CR individual characteristics do not differ from those caused by S. Enteritidis and that the epidemiological situation as regards this serovar is, so far quiescent.
Insights
Salmonella Typhimurium infections in the Czech Republic remain low, primarily affecting young children in summer. Common sources include eggs, poultry, and meat products.
Area of Science:
- Microbiology
- Epidemiology
- Public Health
Context:
- Salmonelloses represent a significant public health concern globally.
- Salmonella Typhimurium is a key serovar causing human infections.
- Understanding the epidemiology of Salmonella serovars is crucial for effective control.
Purpose:
- To analyze the epidemiological characteristics of Salmonella Typhimurium infections in the Czech Republic between 1999 and 2001.
- To identify trends in morbidity, age distribution, seasonal incidence, and suspected sources of infection.
- To compare the epidemiological profile of Salmonella Typhimurium with Salmonella Enteritidis.
Summary:
- The proportion of Salmonella Typhimurium among notified salmonelloses cases in the Czech Republic (CR) was below 3% from 1999-2001, showing a slight decline.
- The highest long-term morbidity was observed in the South Moravian region, with the highest incidence in children aged 1-4 years and a peak during summer months.
- Suspected sources included eggs, poultry, and meat products, with a grilled piglet identified as a vehicle in three epidemics in 1999.
- Epidemiological analysis indicated that Salmonella Typhimurium infections in the CR share similar characteristics with Salmonella Enteritidis, and the overall situation for this serovar is currently quiescent.
Impact:
- Provides valuable data for public health surveillance and targeted interventions against Salmonella Typhimurium.
- Highlights the importance of food safety measures, particularly concerning eggs, poultry, and meat products.
- Informs strategies for preventing and controlling salmonellosis outbreaks in vulnerable populations, such as young children.