Transmission dynamics of antimicrobial resistance in integrated animal and human populations

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PI: H. Morgan Scott (VetMed).

Abstract

In a three-year longitudinal study, we examined the relationship between the seasonal prevalence of antimicrobial-resistant (AR) E. coli isolated from human waste-water and swine fecal samples and the following risk factors: host species, production type (swine), vocation (human swine workers, non-workers, and slaughter-plant workers), and season in a multi-site housing, vertically integrated swine and human population representative of a closed agri-food system. The overarching goal of this project is to quantify and identify the zoonotic potential of this system.

Presentations & Publications

- Alali, W.Q., Scott, H.M., Harvey, R.B., Norby, B., Lawhorn, D.B., Pillai, S.D. (2008) Longitudinal study of antimicrobial resistance among Escherichia coli isolated from integrated multi-site group cohorts of humans and swine. Applied and Environmental Microbiology, 74, 3672-3681.

- Vincent, V., Scott, H.M., Harvey, R.B., Alali, W.Q., and Hume, M.E. (2007). Novel surveillance of Salmonella enterica serotype Heidelberg epidemics in a closed community. Foodborne Pathogens and Disease, 4, 375-385.

- Christian, K.L., Scott, H.M., Alali, W.Q., Fajt, V.R., Harvey, R.B., Lawhorn, D.B. (2007) Relationship between level of antibiotic use and antibiotic resistance among Escherichia coli isolated from swine in a multi-site integrated farm-to-plate system. 2007 Annual Conference on Antimicrobial Resistance, National Foundation for Infectious Diseases, Washington, DC.

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