The OHS contributed genotyping data from 7,500 consented participants to a groundbreaking global initiative to research the underlying biology of human disease and disease traits. As the largest contributor to CanPath, the OHS is the only Canadian study to be included in the Global Biobank Meta-analysis Initiative (GBMI), which to date involves genetic data from 2.2

The causes of sarcoidosis, an inflammatory disease diagnosed in an estimated 21,000 Canadians, remain unknown. A specific form affecting the heart, cardiac sarcoidosis (or CS), is considered especially serious, being responsible for roughly 85% of deaths from the disease despite accounting for only 5% of sarcoidosis cases. A group of researchers led by Dr. David

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,