Water Safety Research

CPHAZ scientists investigate qualitative and quantitative diagnostic methods, molecular characteristics, environmental impacts, risk factors and control practices for waterborne pathogens.

Frequency and distribution studies

Xu C, Weese JS, Flemming C, Odumeru J, Warriner K.
Fate of Clostridium difficile during wastewater treatment and incidence in Southern Ontario watersheds.
J Appl Microbiol, 117: 891-904. 2014
Abstract

Coleman BL, Salvadori MI, McGeer AJ, Sibley KA, Neumann NF, Bondy SJ, Gutmanis IA, McEwen SA, Lavoie M, Strong D, Johnson I, Jamieson FB, Louie M
The role of drinking water in the transmission of antimicrobial-resistant E. coli.
Epidemiol Infect. 2012 Apr. 140(4):633-642.
Abstract

Jones AQ, Dewey CE, Doré K, Majowicz SE, McEwen SA, Waltner-Toews D.
Exposure assessment in investigations of waterborne illness: a quantitative estimate of measurement error.
Epidemiol Perspect Innov. 2006 May 26;3:6.
Abstract

Trotz-Williams, L.A., Jarvie, B.D., Martin, S.W., Leslie, K.E. and Peregrine, A.S.
Prevalence of Cryptosporidium parvum infection in southwestern Ontario and its association with diarrhea in neonatal dairy calves.
Canadian Veterinary Journal 2005 Apr; 46(4):349-351.
Abstract

Sargeant JM, Sanderson MW, Smith RA, Griffin DD.
Escherichia coli O157 in feedlot cattle faeces and water in four major feeder-cattle states in the USA.
Prev Vet Med 2003; 61:127-135.
Abstract

Risk factors and intervention studies

Swirski AL, Pearl DL, Peregrine AS, Pintar K.
A comparison of exposure to risk factors for giardiasis in non-travellers, domestic travellers and international travellers in a Canadian community, 2006-2012.
Epidemiol Infect, Sept 30: 1-20. 2015
Abstract

Xu C, Salsali H, Weese S, Warriner K.
Inactivation of Clostridium difficile in sewage sludge by anaerobic thermophilic digestion.
Can J Microbiol, Oct 14: 1-8. 2015
Abstract

Roche SM, Jones-Bitton A, Majowicz SE, Pintar KD, Allison D.
Investigating public perceptions and knowledge translation priorities to improve water safety for residents with private water supplies: a cross-sectional study in Newfoundland and Labrador.
BMC Public Health, 13:1225. 2013
Abstract

Pintar KD, Fazil A, Pollari F,Waltner-Toews D, Charron DF, McEwen SA, Walton T.
Considering the Risk of Infection by Cryptosporidium via Consumption of Municipally Treated Drinking Water from a Surface Water Source in a Southwestern Ontario Community.
Risk Anal. 2012 Mar. (E-Pub)
Abstract

Pintar KD, Fazil A, Pollari F, Charron DF,Waltner-Toews D, McEwen SA.
A risk assessment model to evaluate the role of fecal contamination in recreational water on the incidence of cryptosporidiosis at the community level in Ontario.
Risk Anal. 2010 Jan. 30(1):49-64.
Abstract

Trotz-Williams, L.A., Martin, S.W., Leslie, K.E., Duffield, T., Nydam D.V. and Peregrine, A.S.
Association between management practices and within-herd prevalence of Cryptosporidium parvum shedding on dairy farms in southern Ontario.
Prev Vet Med. 2008 Jan 1;83(1):11-23. Epub 2007 May 3.
Abstract

Trotz-Williams, L.A., Martin, S.W., Leslie, K.E., Duffield, T., Nydam, D.V. and Peregrine, A.S.
Calf-level risk factors for neonatal diarrhea and shedding of Cryptosporidium parvum in Ontario dairy calves.
Preventive Veterinary Medicine 2007; 82:12-28.
Abstract

Trotz-Williams, L.A., Peregrine, A.S. and Leslie, K.E. (2007)
Cryptosporidiosis in dairy calves: risk factors, diagnosis and zoonotic potential.
Large Animal Veterinary Rounds April 7, 1-6.

Jarvie, B.D., Trotz-Williams, L.A., McKnight, D.R., Leslie, K.E., Wallace, M.M. Todd, C.G., Sharpe, P.H. and Peregrine, A.S.
Effect of halofunginone lactate on the occurrence of Cryptosporidium parvum and growth of neonatal dairy calves.
Journal of Dairy Science 2005; 88:1801-1806.
Abstract

Nydam, D. and Peregrine, A.S.
Present and future control of cryptosporidiosis in cattle.
The Bovine Practitioner 2005; 38:15-18.

Sanderson, MW, Sargeant, JM, Griffin, DD, Smith, RA.
Factors associated with the presence of coliforms in the feed and water of feedlot cattle.
Appl Environ Microbiol 2005; 71; 6026-6032.
Abstract

Anderson, K.A., Brooks, A.S., Morrison, A.L., Reid-Smith, R.J., Martin, S.W., Benn, D.M. and Peregrine, A.S.
Impact of Giardia vaccination on asymptomatic Giardia infections in dogs at a research facility. Canadian Veterinary Journal 2004; 45:924-930.
Abstract

Sargeant JM, Sanderson MW, Griffin DD, Smith RA.
Factors associated with the presence of Escherichia coli O157 in feedlot cattle-water and feed in the Midwestern USA.
Prev Vet Med. 2004; 66:207-237.
Abstract

Molecular and diagnostic methodologies

Habash M, Johns R.
Comparison study of membrane filtration direct count and an automated coliform and Escherichia coli detection system for on-site water quality testing.
Microbiol Methods. 2009 Oct; 79(1):128-30.
Abstract

Trotz-Williams, L.A., Martin, S.W., Martin, D., Duffield, T., Leslie, K.E., Nydam, D.V., Jamieson, F. and Peregrine, A.S.
Multiattribute evaluation of two simple tests for the detection of Cryptosporidium parvum in calf faeces.
Veterinary Parasitology 2005; 134:15-23.
Abstract

Feder I, Nietfeld JC, Galland J, Yeary T, Sargeant JM, Oberst RD.
Comparison of cultivation and PCR-hybridization for detection of Salmonella in porcine fecal and water samples.
J Clin Microbiol 2001; 39:2477-2484.
Abstract

Waterborne illness in humans

Pons W, Young I, Truong J, Jones-Bitton A, McEwen S, Pintar K, Papadopoulos A.
A Systematic Review of Waterborne Disease Outbreaks Associated with Small Non-Community Drinking Water Systems in Canada and the United States.
PLoS One, October, 10. 2015
Abstract

Xu C, Weese JS, Flemming C, Odumeru J, Warriner K.
Fate of Clostridium difficile during wastewater treatment and incidence in Southern Ontario watersheds.
J Appl Microbiol, 117: 891-904. 2014
Abstract

Jones AQ, Dewey CE, Dore K, Majowicz SE, McEwen SA, David WT, Eric M, Carr DJ, Henson SJ.
Public perceptions of drinking water: a postal survey of residents with private water supplies.
BMC Public Health. 2006 Apr 11; 6:94.
Abstract

Jones AQ, Dewey CE, Dore K, Majowicz SE, McEwen SA, Waltner-Toews D, Henson SJ, Mathews E.
Public perception of drinking water from private water supplies: focus group analyses.
BMC Public Health. 2005 Dec 9; 5:129.
Abstract

Environmental impacts due to and as a result of waterborne pathogens

Xu C, Salsali H, Weese S, Warriner K.
Inactivation of Clostridium difficile in sewage sludge by anaerobic thermophilic digestion.
Can J Microbiol, Oct 14: 1-8. 2015
Abstract

McCall CA, Jordan KS, Habash MB, Dunfield KE.
Monitoring Bacteroides spp. markers, nutrients, metals and Escherichia coli in soil and leachate after land application of three types of municipal biosolids.
Water Res, 70: 255-265. 2015
Abstract

Lee DY, Lee H, Trevors JT, Weir SC, Thomas JL, Habash M.
Characterization of sources and loadings of fecal pollutants using microbial source tracking assays in urban and rural areas of the Grand River Watershed, Southwestern Ontario.
Water Res, 53: 123-31. 2014
Abstract

Hebert CE, Weseloh DV, Macmillan S,Campbell D, Nordstrom W.
Metals and polycyclic aromatic hydrocarbons in colonial waterbird eggs from Lake Athabasca and the Peace-Athabasca Delta, Canada.
Environ Toxicol Chem. 2011 May. 30(5):1178-1183.
Abstract

van Frankenhuyzen JK, Trevors JT, Lee H, Flemming CA,Habash MB.
Molecular pathogen detection in biosolids with a focus on quantitative PCR using propidium monoazide for viable cell enumeration.
J Microbiol Methods. 2011 Dec. 87(3):263-272.
Abstract

Thomas KM, Charron DF, Waltner-Toews D, Schuster C, Maarouf AR, Holt JD.
A role of high impact weather events in waterborne disease outbreaks in Canada, 1975 – 2001.
Int J Environ Health Res. 2006 Jun; 16(3):167-80.
Abstract

Charron D, Thomas M, Waltner-Toews D, Aramini J, Edge T, Kent R, Maarouf A, Wilson J.
Vulnerability of waterborne diseases to climate change in Canada: a review.
J Toxicol Environ Health A. 2004 Oct 22-Nov 26;67(20-22):1667-77. Review.
Abstract

General topics in water safety

Pons W, McEwen SA, Pintar K, Jones-Bitton A, Young I, Papadopoulos A.
Experience, training and confidence among small, non-community drinking water system operators in Ontario, Canada
J Water Health, 12: 782-90. 2014
Abstract

Roche SM, Jones AQ, Majowicz SE, McEwen SA, Pintar KD
Drinking water consumption patterns in Canadian communities (2001-2007).
J Water Health. 2012 Mar. 10(1):69-86.
Abstract

Perkins NR, Kelton DF, Hand KJ, MacNaughton G, Berke O, Leslie KE.
An analysis of the relationship between bulk tank milk quality and wash water quality on dairy farms in Ontario, Canada.
Dairy Sci. 2009 Aug; 92(8):3714-22.
Abstract

Waltner-Toews D, Jones AQ.
A philosophy and approach to teaching the epidemiology of food-borne, waterborne, and zoonotic diseases.
J Vet Med Educ. 2006 Winter; 33(4):598-604.
Abstract