COVID Model Projections - February 17, 2022 | BC COVID-19 Modelling Group
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
Covid: Rise in UK infections driven by BA.2 Omicron variant - BBC News
Updates on COVID-19 Variants – National Collaborating Centre for Infectious Diseases
Omicron BA.1/1.1 SARS-CoV-2 Infection among Vaccinated Canadian Adults | NEJM
SARS-CoV-2 Omicron BA.2 less severe than Delta and original Omicron
Canada detects first case of highly mutated coronavirus variant BA.2.86, ET HealthWorld
Coronavirus (COVID-19) | IPAC Canada
Covid BA.2 Being Quickly Overtaken In U.S. By Its Subvariant BA.2.12.1 – Deadline
BA.2: What to know about world's dominant Omicron sub-variant | Coronavirus pandemic News | Al Jazeera
Here's what we know about the BA.2 Omicron subvariant driving a new COVID-19 wave
Highly mutated COVID virus variant BA.2.86 showing up in multiple countries | CBC News
COVID-19 hasn't gone anywhere in Canada — and we could still see another surge | CBC News
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
Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population | Nature Medicine
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
Scientists scrutinise characteristics of new Omicron sub-variant BA.2
Canada: First case of highly mutated Omicron COVID variant BA.2.86 detected in British Columbia | Mint
What to Know About BA.5, the Most Transmissible Covid Subvariant - The New York Times
BA.2 in Canada: Tam says officials are watching new Omicron subvariant 'very closely' - National | Globalnews.ca
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" /
What is the new COVID-19 variant BA.2, and will it cause another wave of infections in the US?
Omicron subvariant BA.2 raises new questions about puzzling evolution of virus behind COVID-19 | CBC News
An Imported Case of BA.2 Lineage of Omicron Variant COVID-19 — Guangdong Province, China, December 28, 2021
