MRSA in U.S. Swine and Swine Workers
Author Information
Author(s): Smith Tara C., Male Michael J., Harper Abby L., Kroeger Jennifer S., Tinkler Gregory P., Moritz Erin D., Capuano Ana W., Herwaldt Loreen A., Diekema Daniel J.
Primary Institution: University of Iowa College of Public Health
Hypothesis
What is the prevalence of MRSA among swine and their caretakers in the U.S.?
Conclusion
The study found a high prevalence of MRSA colonization in swine and swine workers in one production system in the Midwestern U.S.
Supporting Evidence
- MRSA prevalence in swine was found to be 49%.
- 64% of swine workers in one production system carried MRSA.
- MRSA strain ST398 was the only strain documented on the farm.
Takeaway
This study shows that many pigs and their caretakers in the U.S. can carry a germ called MRSA, which can make people sick.
Methodology
Nasal swabs were taken from 299 swine and 20 workers, and MRSA was identified using various typing methods.
Potential Biases
Potential bias due to the small sample size and limited geographic scope.
Limitations
The study only examined two production systems and did not assess environmental contamination or long-term carriage in individual animals.
Participant Demographics
20 swine workers, with a majority being male and varying in age.
Statistical Information
P-Value
<0.01
Confidence Interval
1.6 to infinity
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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