Livestock-associated Methicillin-Resistant Staphylococcus aureus in Humans, Europe
2011

Livestock-associated MRSA in Humans, Europe

Sample size: 8262 publication 10 minutes Evidence: moderate

Author Information

Author(s): van Cleef Brigitte A.G.L., Monnet Dominique L., Voss Andreas, Krziwanek Karina, Allerberger Franz, Struelens Marc, Zemlickova Helena, Skov Robert L., Vuopio-Varkila Jaana, Cuny Christiane, Friedrich Alexander W., Spiliopoulou Iris, Pászti Judit, Hardardottir Hjordis, Rossney Angela, Pan Angelo, Pantosti Annalisa, Borg Michael, Grundmann Hajo, Mueller-Premru Manica, Olsson-Liljequist Barbro, Widmer Andreas, Harbarth Stephan, Schweiger Alexander, Unal Serhat, Kluytmans Jan A.J.W.

Primary Institution: National Institute for Public Health and the Environment

Hypothesis

What is the proportion of methicillin-resistant Staphylococcus aureus (MRSA) isolates from humans in Europe that are sequence type (ST) 398?

Conclusion

Livestock-associated MRSA ST398 contributes to only a small fraction of all MRSA in humans across Europe.

Supporting Evidence

  • MRSA ST398 accounted for only 1.7% of MRSA isolates from humans in the study.
  • The highest proportions of MRSA ST398 were found in the Netherlands (11.9%) and Belgium (4.7%).
  • Correlation was found between MRSA ST398 prevalence and pig density.
  • Only 8 of 15 countries reported MRSA ST398 in human samples.

Takeaway

This study looked at how many people in Europe have a type of bacteria called MRSA that comes from livestock. It found that not many people have it.

Methodology

Questionnaires were sent to laboratories to collect data on MRSA isolates and their types.

Potential Biases

Potential bias due to non-random selection of laboratories and varying screening policies.

Limitations

The study may have selection bias as laboratories were not randomly selected.

Participant Demographics

Data collected from 24 laboratories across 17 European countries.

Statistical Information

P-Value

0.001

Confidence Interval

95% CI 1.5–2.0%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3201/eid1703.101036

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