Thuringian State Authority for Consumer Protection

Bad Langensalza, Germany

Thuringian State Authority for Consumer Protection

Bad Langensalza, Germany
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Schielke A.,Robert Koch Institute RKI | Schielke A.,Robert Koch Institute | Schielke A.,U.S. Center for Disease Control and Prevention | Rabsch W.,Robert Koch Institute RKI | And 20 more authors.
Eurosurveillance | Year: 2017

In 2013, raw pork was the suspected vehicle of a large outbreak (n = 203 cases) of Salmonella Muenchen in the German federal state of Saxony. In 2014, we investigated an outbreak (n = 247 cases) caused by the same serovar affecting Saxony and three further federal states in the eastern part of Germany. Evidence from epidemiological, microbiological and trace-back investigations strongly implicated different raw pork products as outbreak vehicles. Trace-back analysis of S. Muenchen-contaminated raw pork sausages narrowed the possible source down to 54 pig farms, and S. Muenchen was detected in three of them, which traded animals with each other. One of these farms had already been the suspected source of the 2013 outbreak. S. Muenchen isolates from stool of patients in 2013 and 2014 as well as from food and environmental surface swabs of the three pig farms shared indistinguishable pulsed-field gel electrophoresis patterns. Our results indicate a common source of both outbreaks in the primary production of pigs. Current European regulations do not make provisions for Salmonella control measures on pig farms that have been involved in human disease outbreaks. In order to prevent future outbreaks, legislators should consider tightening regulations for Salmonella control in causative primary production settings. © 2017, European Centre for Disease Prevention and Control (ECDC). All rights reserved.


SCHROEDER S.,Thuringian State Authority for Consumer Protection | SCHROEDER S.,Centers for Disease Control and Prevention | HARRIES M.,Centers for Disease Control and Prevention | HARRIES M.,Governmental Institute of Public Health of Lower Saxony | And 8 more authors.
Epidemiology and Infection | Year: 2015

One of the largest and longest Salmonella outbreaks in Germany within the last 10 years occurred in central Germany in 2013. To identify vehicles of infection, we analysed surveillance data, conducted a case-control study and food traceback. We identified 267 cases infected with Salmonella Infantis with symptom onset between 16 April and 26 October 2013 in four neighbouring federal states. Results of our study indicated that cases were more likely to have eaten raw minced pork from local butcher's shops [odds ratio (OR) 2·5, 95% confidence interval (CI) 1·1–5·8] and have taken gastric acid-reducing or -neutralizing medication (OR 3·8, 95% CI 1·3–13) than controls. The outbreak was traced back to contaminated raw pork products found in different butcher's shops supplied by one slaughterhouse, to pigs at one farm and to an animal feed producer. Characterization of isolates of human, food, animal, feed, and environmental origin by phage-typing and pulsed-field gel electrophoresis confirmed the chain of infection. Insufficient hygiene standards in the slaughterhouse were the most probable cause of the ongoing transmission. We recommend that persons taking gastric acid suppressants should refrain from consuming raw pork products. Improving and maintaining adequate hygiene standards and process controls during slaughter is important to prevent future outbreaks. Copyright © Cambridge University Press 2015


PubMed | Centers for Disease Control and Prevention, Robert Koch Institute, Governmental Institute of Public Health of Lower Saxony and Thuringian State Authority for Consumer Protection
Type: Journal Article | Journal: Epidemiology and infection | Year: 2016

One of the largest and longest Salmonella outbreaks in Germany within the last 10 years occurred in central Germany in 2013. To identify vehicles of infection, we analysed surveillance data, conducted a case-control study and food traceback. We identified 267 cases infected with Salmonella Infantis with symptom onset between 16 April and 26 October 2013 in four neighbouring federal states. Results of our study indicated that cases were more likely to have eaten raw minced pork from local butchers shops [odds ratio (OR) 25, 95% confidence interval (CI) 11-58] and have taken gastric acid-reducing or -neutralizing medication (OR 38, 95% CI 13-13) than controls. The outbreak was traced back to contaminated raw pork products found in different butchers shops supplied by one slaughterhouse, to pigs at one farm and to an animal feed producer. Characterization of isolates of human, food, animal, feed, and environmental origin by phage-typing and pulsed-field gel electrophoresis confirmed the chain of infection. Insufficient hygiene standards in the slaughterhouse were the most probable cause of the ongoing transmission. We recommend that persons taking gastric acid suppressants should refrain from consuming raw pork products. Improving and maintaining adequate hygiene standards and process controls during slaughter is important to prevent future outbreaks.

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