Omicron variant now in North America, Canadian officials say
Omicron variant: Canada reports first cases | whas11.com
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
Canada finds first cases of Omicron COVID-19 variant in Ontario. Here's what we know | Globalnews.ca
What to know about EG.5, the latest Omicron subvariant in Canada | CBC News
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
Why is Canada's Covid death rate so much lower than US? - BBC News
Two cases of Omicron variant detected in Canada, govt says | Reuters
Delta variant cases rise in Canada's Ontario, Omicron to hit 'hard and fast' | Reuters
Protection against omicron (B.1.1.529) BA.2 reinfection conferred by primary omicron BA.1 or pre-omicron SARS-CoV-2 infection among health-care workers with and without mRNA vaccination: a test-negative case-control study - The Lancet Infectious Diseases
Omicron and S‐gene target failure cases in the highest COVID‐19 case rate region in Canada—December 2021 - Li - 2022 - Journal of Medical Virology - Wiley Online Library
Omicron Covid variant FAQ: What to know about transmission, vaccine
Texas health experts 'not panicking' over COVID's omicron variant, expect cases to appear soon – Houston Public Media