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Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
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Published on: February 9, 2011

Methicillin-resistant Staphylococcus aureus: a food-borne pathogen?

Sarah Wendlandt1, Stefan Schwarz, Peter Silley

  • 1Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Neustadt-Mariensee, Germany. sarah.wendlandt@fli.bund.de stefan.schwarz@fli.bund.de.

Annual Review of Food Science and Technology
|November 30, 2012
PubMed
Summary
This summary is machine-generated.

Methicillin-resistant Staphylococcus aureus (MRSA) has emerged in communities and livestock. While MRSA is found on food, current evidence does not support classifying it as a food-borne pathogen.

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Area of Science:

  • Microbiology
  • Food Safety
  • Veterinary Medicine

Background:

  • Methicillin-resistant Staphylococcus aureus (MRSA) initially emerged as a hospital-associated pathogen (HA-MRSA).
  • The emergence of community-associated MRSA (CA-MRSA) and livestock-associated MRSA (LA-MRSA) has raised concerns about food safety.
  • LA-MRSA has been observed to transfer between animals and humans, prompting investigations into its zoonotic potential.

Purpose of the Study:

  • To review current knowledge on MRSA in food-producing animals and foods.
  • To assess the role of MRSA from food-producing animals as potential food-borne pathogens.
  • To consider methods for tracking the spread of MRSA.

Main Methods:

  • Literature review of scientific publications.
  • Analysis of data on MRSA prevalence in food-producing animals and food products.
  • Evaluation of studies on animal-to-human MRSA transmission.

Main Results:

  • MRSA, including HA-MRSA, CA-MRSA, and LA-MRSA strains, can be present in or on food intended for human consumption.
  • Evidence suggests animal-to-animal and animal-to-human transmission of LA-MRSA.
  • The presence of MRSA on food does not confirm it as a food-borne pathogen.

Conclusions:

  • While MRSA can contaminate food, it is not currently considered a food-borne pathogen based on available literature.
  • Further research is needed to fully understand the risks associated with LA-MRSA and CA-MRSA in the food chain.
  • Effective tracking tools are essential for monitoring MRSA spread.