Canada's CPHO on X: "1/3 #COVID19 key concerns 🇨🇦: disease activity is still high in Canada and the BA.2 sub-lineage now accounts for more than 90% of sequenced variants. https://t.co/h8xYW5cUh5 https://t.co/GhPLAAW2UW" /
Sixth wave of COVID-19 hits Quebec as BA.2 subvariant takes hold | Canada's National Observer: News & Analysis
Omicron BA.1/1.1 SARS-CoV-2 Infection among Vaccinated Canadian Adults | NEJM
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
New Omicron Subvariant BA.2 Now 1 Out Of Every 5 Covid Cases Globally – Deadline
At least 66 cases of Omicron subvariant detected in Canada
Updates on COVID-19 Variants – National Collaborating Centre for Infectious Diseases
Canada detects first case of highly mutated coronavirus variant BA.2.86, ET HealthWorld
Canada Omicron infections past peak, hospitalizations rising- health official | Reuters
Covid: Rise in UK infections driven by BA.2 Omicron variant - BBC News
SARS-CoV-2 testing and BA.1/BA.2 asymptomatic rates in children, CCDR 49(4) - Canada.ca
COVID Model Projections - January 25, 2023 | BC COVID-19 Modelling Group
Covid outbreaks in New York and DC infect senior officials as omicron BA.2 variant sweeps the U.S.
SARS-CoV-2 Omicron variant: recent progress and future perspectives | Signal Transduction and Targeted Therapy
What to Know About BA.5, the Most Transmissible Covid Subvariant - The New York Times
COVID Model Projections - February 17, 2022 | BC COVID-19 Modelling Group
COVID-19 variant BA.2.86 may be less contagious than feared | CTV News
Protection against Omicron BA.2 reinfection conferred by primary Omicron or pre-Omicron infection with and without mRNA vaccination | medRxiv
COVID-19 hasn't gone anywhere in Canada — and we could still see another surge | CBC News
Effectiveness of BNT162b2 and CoronaVac COVID-19 vaccination against asymptomatic and symptomatic infection of SARS-CoV-2 omicron BA.2 in Hong Kong: a prospective cohort study - The Lancet Infectious Diseases
Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population | Nature Medicine
COVID: Omicron subvariants could fuel bump in cases | CTV News
Laboratory-Confirmed COVID-19–Associated Hospitalizations Among Adults During SARS-CoV-2 Omicron BA.2 Variant Predominance — COVID-19–Associated Hospitalization Surveillance Network, 14 States, June 20, 2021–May 31, 2022 | MMWR
Covid BA.2 Being Quickly Overtaken In U.S. By Its Subvariant BA.2.12.1 – Deadline
