The ODSS follows a cohort of more than 2.4 million workers in Ontario.
The ODSS links health databases with job information in order to identify and monitor disease risks among Ontario workers.
The ODSS was launched in 2016. Learn more about our methods, funders, partners and research team.
Explore risks by exposure, industry and occupation using our interactive data tool
Find out how the ODSS is monitoring the health impacts of opioids
Learn how the ODSS can be use to track COVID-19 among Ontario workers
Brief highlights on high risk jobs, key exposures and emerging issues
Non-peer-reviewed research summaries
Peer-reviewed articles published in academic journals
Visit the ODSP website to learn more about OCRC’s surveillance research, including research on mesothelioma in Canada, and exposure surveillance using data from the Ontario Toxics Reduction Act.