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Canada finds first cases of Omicron COVID-19 variant in Ontario. Here's what we know | Globalnews.ca
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Effectiveness of previous infection-induced and vaccine-induced protection against hospitalisation due to omicron BA subvariants in older adults: a test-negative, case-control study in Quebec, Canada - The Lancet Healthy Longevity
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Figure 4 - Omicron COVID-19 Case Estimates Based on Previous SARS-CoV-2 Wastewater Load, Regional Municipality of Peel, Ontario, Canada - Volume 29, Number 8—August 2023 - Emerging Infectious Diseases journal - CDC
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Weekly projections of the transmission of the Omicron variant for Ontario, and Canada | Laboratory of Mathematical Parallel Systems
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Canada finds first cases of Omicron COVID-19 variant in Ontario. Here's what we know | Globalnews.ca
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