Dr. Catherine O'Brien
Dr. Catherine O'Brien and team discovered that cancer cells can enter a hibernation-like state to survive chemotherapy. (Photo: UHN)

It has been another extraordinary year at UHN as COVID-19 continues its impact across our community. At UHN News, we're looking back at some of our top stories over the past 12 months, from patient care, research and education amid the pandemic, to milestones and achievements in spite of it.

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