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How will the COVID-19 Questionnaire data add to what we know about the virus?

Dr. Vicki Kirsh discusses how the data collected by the OHS COVID-19 Questionnaire will be able to inform public health response, by identifying those who will be more likely to require critical care...

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How will the Ontario Health Study use data from the COVID-19 Questionnaire?

OHS Scientific Associate Dr. Victoria Kirsh explains some of the many ways that data provided by OHS participants will be used to contribute to the worldwide knowledge around COVID-19.   The post How...

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The Ontario Health Study Newsletter, December 2020

In this issue: Coming soon – We want a blood sample! It’s a lot bigger than just our COVID-19 Questionnaire More than 40,000 contribute to ongoing COVID-19 research Check out how your data will be used...

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Coming soon – OHS seeks a blood sample

This spring the OHS will reach out to 12,000 participants, asking them to use a home blood kit to provide a few tiny drops of blood onto a lab card, and mail it back. Our lab will test the dried blood...

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What makes our blood age well?

Our blood gets older, just like every other part of our body. But why is it that some people’s blood seem to age better than others? Questionnaire data and blood samples from some OHS participants are...

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The Effect of COVID-19 on Cancer Patients and Survivors

  Cancer patients and survivors perceive a high risk of being harmed by COVID-19 and were more likely to adopt preventive measures; they were less likely to contract the virus, perhaps as a result....

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The Ontario Health Study (OHS): a resource for cancer etiology and early...

  In this prospective cohort study of 225,620 participants, 10,436 incident cancers were ascertained over an average 8-yr follow-up, including 1,645 breast, 907 lung, 840 colorectal, 509 bladder, 227...

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Ontario Health Study begins whole genome sequencing to enrich data holdings

The Ontario Health Study is launching an initiative to sequence the whole genomes of more than 40,000 participants from across Ontario. Samples from more than 9,600 Study participants have already been...

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Early results from CanPath’s national study confirm antibody levels are...

Initial preliminary results from the Canadian Partnership for Tomorrow’s Health (CanPath) COVID-19 Antibody Study, based on close to 6,000 dried blood spot samples collected between February 8 and May...

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The Ontario Health Study Newsletter, July 2021

In this issue: Single shot of mRNA vaccine produces short term antibody levels 1.5 times greater than AstraZeneca, early results show From symptoms to severity, your COVID-19 questionnaire data are...

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Years-early detection of cancer markers possible through research using OHS...

Plasma samples from 330 OHS participants were used to demonstrate that certain markers in the blood could be used to predict cancers up to seven years before a doctor’s diagnosis. Nicholas Cheng, a PhD...

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The Ontario Health Study Newsletter, November 2021

In this issue: International PSY-CA study uses OHS data on depression An update on the COVID-19 Antibody Study Students get hands-on experience with synthetic dataset Town Hall Event February 24, 2022...

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CanPath to study the impact and immune response to COVID-19 infection and...

The Canadian Partnership for Tomorrow’s Health (CanPath) COVID-19 Antibody Study is expanding. The Government of Canada is investing $1.9 million through Canada’s COVID-19 Immunity Task Force (CITF) to...

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Machine learning models using OHS data can help detect risk of Acute Myeloid...

In this 2021 presentation, Kimberly Skead, a PhD student and coordinator of the Canadian Data Integration Centre, and Philip Awadalla, the Executive Director of the Ontario Health Study, provide...

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Data from 10,000 OHS participants studied for vaccine effectiveness

Ontario Health Study investigators merited a $500,000 CIHR operating grant to relate COVID-19 antibody levels to vaccine effectiveness by looking at COVID-19 infection levels, hospitalization rates and...

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CanPath: Canada’s Population Platform for Personalized Medicine

The emerging field of personalized medicine, or precision medicine, offers huge potential to help doctors tailor medical treatments to the individual, based on their medical history and personal...

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Join our very first Participant Town Hall!

OHS participants – Join our very first participant webinar happening February 24th! The OHS is one of seven regional studies that make up Canada’s largest health research platform, the Canadian...

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So you want to access OHS data – here are some tips

Submitting a fully-completed OHS Data Access Application saves you time and additional work, allowing you to begin your research that much quicker. The OHS Research Operations and Access Officer...

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CanPath Webinar: COVID-19 Antibody Study Results

Beginning December 2020, select CanPath participants were invited to complete a follow-up COVID-19 questionnaire and submit dried blood spot samples. The questionnaire included details around...

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4 Reasons Researchers Choose the Ontario Health Study

What makes the OHS platform such a useful resource for researchers? OHS Scientific Associate and Epidemiologist Dr. Victoria Kirsh explains what makes the Study so unique: The OHS is designed...

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