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What’s New With the OHS?

Since 2010, the Ontario Health Study (OHS) has been working hard to build a platform for chronic disease research. Working together with the research community and Ontarians across the province we are now following the health of about 225,000 people and have collected more than 40,000 blood samples. We’re building a database of health information and a biobank so researchers can better understand the link between genetics, lifestyle and environment—and the role they play in our health.

In this section, you’ll find information about the various Study activities and upcoming initiatives.

Blood tubes in the laboratory centrifuge

OHS profiled in the International Journal of Epidemiology

Aug 15, 2022 // Study Updates

Cohort profile papers are important markers for studies like the OHS, because they outline the history and value of their research platforms for the broader scientific community, thus encouraging further use by other scientists. The International Journal of Epidemiology published a profile of the Ontario Health Study in its September 2022 issue. The OHS follows

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New funding available for research using OHS data

Aug 8, 2022 // Study Updates

A new funding opportunity from the CIHR Institute of Cancer Research (CIHR-ICR) is available and provides up to $500,000 to use provincial data from the OHS, or to use pan-Canadian data from the Canadian Partnership for Tomorrow’s Health (CanPath). Up to $100,000 over one year will be awarded for a single grant. The goal of

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OHS data included in multi-study analysis of Canada’s “Omicron tsunami”

Jul 20, 2022 // Study Updates

Omicron tsunami: Blood spot samples from thousands of OHS participants were included in a multi-study analysis showing the proportion of Canadians with antibodies to SARS-CoV-2 due to infection shot up, from 5.1 per cent just before the Delta variant wave (August, 2021), to 55.7 per cent in the five months after the Omicron wave (May,

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