Lise Trotz-Williams

Ontario Veterinary College logo

Associated Graduate Faculty | Adjunct Faculty - Wellington-Dufferin-Guelph Public Health

BVetMed (London, UK); MSc - (Liverpool, UK); PhD (Guelph); MRCVS


A graduate of the Royal Veterinary College (UK - Veterinary Medicine), The Liverpool School of Tropical Medicine (UK - Parasitology) and the University of Guelph (Epidemiology), Lise is an epidemiologist at Wellington-Dufferin-Guelph Public Health, a local Ontario health department. Her responsibilities there include disease surveillance and community outbreak investigation, and she has served as a field supervisor for several collaborative graduate projects. Her research interests include disease surveillance, infectious disease, zoonoses, and the application of epidemiological methods to enhance disease surveillance and control in the area of human public health.

Selected Publications

1. Trotz-Williams LA, Mercer NJ, Walters JM, Wallace D, Gottstein B, Osterman-Lind E, Boggild AK, Peregrine AS. Public Health Follow-up of Suspected Exposure to Echinococcus multilocularis in Southwestern Ontario. Zoonoses Public Health. 2017 Sep;64(6):460-467.


2. Bottoms K, Trotz-Williams L, Hutchison S, Macleod J, Dixon J, Berke O, Poljak Z. An Evaluation of Rabies Vaccination Rates among Canines and Felines Involved in Biting Incidents within the Wellington-Dufferin-Guelph Public Health Department. Zoonoses Public Health. 2014 Nov;61(7):499-508.


3. Trotz-Williams LA, Mercer NJ, Walters JM, Maki AM, Johnson RP. Pork implicated in a Shiga toxin-producing Escherichia coli O157:H7 outbreak in Ontario, Canada. Can J Public Health. 2012 Jul 18;103(5):e322-6.


4. Trotz-Williams LA, Martin DS, Gatei W, Cama V, Peregrine AS, Martin SW, Nydam DV, Jamieson F, Xiao L. Genotype and subtype analyses of Cryptosporidium isolates from dairy calves and humans in Ontario. Parasitol Res. 2006 Sep;99(4):346-52.


Search PubMed for additional publications by Dr. Trotz-Williams.