About the Authors

Karine Thivierge

Contributed equally to this work with: Karine Thivierge, Asma Iqbal

Affiliation Laboratoire de santé publique du Québec, Institut national de santé publique du Québec, Sainte-Anne-de-Bellevue, Canada

Asma Iqbal

Contributed equally to this work with: Karine Thivierge, Asma Iqbal

Affiliation Bureau of Microbial Hazards, Food Directorate, Health Canada, Ottawa, Canada

Brent Dixon

Affiliation Bureau of Microbial Hazards, Food Directorate, Health Canada, Ottawa, Canada

Réjean Dion

Affiliation Laboratoire de santé publique du Québec, Institut national de santé publique du Québec, Sainte-Anne-de-Bellevue, Canada

Benoît Levesque

Affiliation Direction de la santé environnementale et de la toxicologie, Institut national de santé publique du Québec, Québec City, Canada

Philippe Cantin

Affiliation Centre d’expertise en analyse environnementale du Québec, Ministère du Développement durable, de l’Environnement, et de la Lutte contre les changements climatiques, Québec City, Canada

Lyne Cédilotte

Affiliations J.D. MacLean Centre for Tropical Diseases, McGill University Health Centre, Montreal, Canada, Department of Medical Microbiology, McGill University Health Centre, Montreal, Canada

Momar Ndao

Affiliation National Reference Center for Parasitology, Montreal, Canada

Jean-François Proulx

Affiliation Department of Public Health, Nunavik Regional Board of Health and Social Services, Kuujjuaq, Canada

Cedric P. Yansouni

cedric.yansouni@mcgill.ca

Affiliations J.D. MacLean Centre for Tropical Diseases, McGill University Health Centre, Montreal, Canada, Department of Medical Microbiology, McGill University Health Centre, Montreal, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CPY KT AI BD PC JFP. Performed the experiments: AI PC LC. Analyzed the data: RD AI BD KT CPY PC JFP. Contributed reagents/materials/analysis tools: KT CPY BD PC MN JFP. Wrote the paper: CPY KT AI BD RD BL PC LC MN JFP. Coordinated the laboratory response to the outbreak: CPY KT. Performed molecular characterisation of Cryptosporidium: AI BD. Headed the public health response to the outbreak: JFP. Performed epidemiologic data analysis: RD. Performed the water analyses: PC.