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2019

Antimicrobial resistance in Campylobacter jejuni and Campylobacter coli isolated from small poultry flocks in Ontario, Canada: A two-year surveillance study

Varga, C., Guerin, M. T., Brash, M. L., Slavic, D., Boerlin, P. & Susta, L., Jan 1 2019, In : PloS one. 14, 8, e0221429.

Research output: Contribution to journalArticle

Open Access

Antimicrobial resistance in fecal Escherichia coli and Salmonella enterica isolates: A two-year prospective study of small poultry flocks in Ontario, Canada

Varga, C., Guerin, M. T., Brash, M. L., Slavic, D., Boerlin, P. & Susta, L., Dec 21 2019, In : BMC Veterinary Research. 15, 1, 464.

Research output: Contribution to journalArticle

Open Access

A two-year prospective study of small poultry flocks in Ontario, Canada, part 1: Prevalence of viral and bacterial pathogens

Brochu, N. M., Guerin, M. T., Varga, C., Lillie, B. N., Brash, M. L. & Susta, L., May 1 2019, In : Journal of Veterinary Diagnostic Investigation. 31, 3, p. 327-335 9 p.

Research output: Contribution to journalArticle

A two-year prospective study of small poultry flocks in Ontario, Canada, part 2: Causes of morbidity and mortality

Brochu, N. M., Guerin, M. T., Varga, C., Lillie, B. N., Brash, M. L. & Susta, L., May 1 2019, In : Journal of Veterinary Diagnostic Investigation. 31, 3, p. 336-342 7 p.

Research output: Contribution to journalArticle

Captive Psittacine Birds in Ontario, Canada: A 19-Year Retrospective Study of the Causes of Morbidity and Mortality

Gibson, D. J., Nemeth, N. M., Beaufrère, H., Varga, C., Eagalle, T. & Susta, L., Aug 2019, In : Journal of Comparative Pathology. 171, p. 38-52 15 p.

Research output: Contribution to journalArticle

Development and use of a triplex real-time PCR assay for detection of three DNA viruses in psittacine birds

Gibson, D. J., Nemeth, N. M., Beaufrère, H., Varga, C., Ojkic, D., Marom, A. & Susta, L., Sep 1 2019, In : Journal of Veterinary Diagnostic Investigation. 31, 5, p. 719-725 7 p.

Research output: Contribution to journalArticle

2018

Evaluating Virulence-Associated Genes and Antimicrobial Resistance of Avian Pathogenic Escherichia coli Isolates from Broiler and Broiler Breeder Chickens in Ontario, Canada

Varga, C., Brash, M. L., Slavic, D., Boerlin, P., Ouckama, R., Weis, A., Petrik, M., Philippe, C., Barham, M. & Guerin, M. T., Sep 1 2018, In : Avian Diseases. 62, 3, p. 291-299 9 p.

Research output: Contribution to journalArticle

2016

Investigation and management of psittacosis in a public aviary: A One Health approach

Hopkins, J., Alsop, J., Varga, C., Pasma, T., Jekel, P., Rishi, L., Hirji, M. & Filejski, C., May 5 2016, In : Canada communicable disease report = Releve des maladies transmissibles au Canada. 42, 5, p. 112-116

Research output: Contribution to journalArticle

2015

Area-level global and local clustering of human Salmonella Enteritidis infection rates in the city of Toronto, Canada, 2007-2009

Varga, C., Pearl, D. L., McEwen, S. A., Sargeant, J. M., Pollari, F. & Guerin, M. T., Aug 21 2015, In : BMC Infectious Diseases. 15, 1, 359.

Research output: Contribution to journalArticle

Open Access

Spatial-temporal epidemiology of human Salmonella Enteritidis infections with major phage types (PTs 1, 4, 5b, 8, 13, and 13a) in Ontario, Canada, 2008-2009

Varga, C., Pearl, D. L., McEwen, S. A., Sargeant, J. M., Pollari, F. & Guerin, M. T., Dec 17 2015, In : BMC public health. 15, 1, 15.

Research output: Contribution to journalArticle

Open Access
2014

Risk factors for sporadic domestically acquired Salmonella serovar Enteritidis infections: A case-control study in Ontario, Canada, 2011

Middleton, D., Savage, R., Tighe, M. K., Vrbova, L., Walton, R., Whitfield, Y., Varga, C., Lee, B., Rosella, L., Dhar, B., Johnson, C., Ahmed, R., Allen, V. G. & Crowcroft, N. S., Jul 2014, In : Epidemiology and Infection. 142, 7, p. 1411-1421 11 p.

Research output: Contribution to journalArticle

2013

A systematic review-meta-analysis and meta-regression on the effect of selected competitive exclusion products on Salmonella spp. prevalence and concentration in broiler chickens

Kerr, A. K., Farrar, A. M., Waddell, L. A., Wilkins, W., Wilhelm, B. J., Bucher, O., Wills, R. W., Bailey, R. H., Varga, C., McEwen, S. A. & Rajić, A., Aug 1 2013, In : Preventive Veterinary Medicine. 111, 1-2, p. 112-125 14 p.

Research output: Contribution to journalArticle

Open Access

Incidence, distribution, seasonality, and demographic risk factors of Salmonella Enteritidis human infections in Ontario, Canada, 2007-2009

Varga, C., Pearl, D. L., McEwen, S. A., Sargeant, J. M., Pollari, F. & Guerin, M. T., May 10 2013, In : BMC Infectious Diseases. 13, 1, 212.

Research output: Contribution to journalArticle

Open Access
2012

Evaluating risk factors for endemic human Salmonella Enteritidis infections with different phage types in Ontario, Canada using multinomial logistic regression and a case-case study approach

Varga, C., Middleton, D., Walton, R., Savage, R., Tighe, M. K., Allen, V., Ahmed, R. & Rosella, L., Oct 16 2012, In : BMC public health. 12, 1, 866.

Research output: Contribution to journalArticle

Open Access

The epidemiology of travel-related Salmonella Enteritidis in Ontario, Canada, 2010-2011

Tighe, M. K., Savage, R., Vrbova, L., Toolan, M., Whitfield, Y., Varga, C., Lee, B., Allen, V., Maki, A., Walton, R., Johnson, C., Dhar, B., Ahmed, R., Crowcroft, N. S. & Middleton, D., May 24 2012, In : BMC public health. 12, 1, 310.

Research output: Contribution to journalArticle

Open Access
2009

Associations among antimicrobial use and antimicrobial resistance of Salmonella spp. isolates from 60 Alberta finishing swine farms.

Varga, C., Rajić, A., McFall, M. E., Reid-Smith, R. J. & McEwen, S. A., Jan 1 2009, In : Foodborne Pathogens and Disease. 6, 1, p. 23-31 9 p.

Research output: Contribution to journalArticle

Associations between reported on-farm antimicrobial use practices and observed antimicrobial resistance in generic fecal Escherichia coli isolated from Alberta finishing swine farms

Varga, C., Rajić, A., McFall, M. E., Reid-Smith, R. J., Deckert, A. E., Checkley, S. L. & McEwen, S. A., Mar 1 2009, In : Preventive Veterinary Medicine. 88, 3, p. 185-192 8 p.

Research output: Contribution to journalArticle

2008

Antimicrobial resistance in generic Escherichia coll isolated from swine fecal samples in 90 Alberta finishing farms

Varga, C., Rajić, A., McFall, M. E., Avery, B. P., Reid-Smith, R. J., Deckert, A., Checkley, S. L. & McEwen, S. A., Jun 9 2008, In : Canadian Journal of Veterinary Research. 72, 2 SPEC. ISS., p. 175-180 6 p.

Research output: Contribution to journalArticle

Comparison of antimicrobial resistance in generic Escherichia coli and Salmonella spp. cultured from identical fecal samples in finishing swine

Varga, C., Rajić, A., McFall, M. E., Reid-Smith, R. J., Deckert, A. E., Pearl, D. L., Avery, B. P., Checkley, S. L. & McEwen, S. A., Jun 9 2008, In : Canadian Journal of Veterinary Research. 72, 2 SPEC. ISS., p. 181-187 7 p.

Research output: Contribution to journalArticle