New Omicron Subvariant BA.2 Now 1 Out Of Every 5 Covid Cases Globally – Deadline
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
Updates on COVID-19 Variants – National Collaborating Centre for Infectious Diseases
Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population | Nature Medicine
BA.2 in Canada: Tam says officials are watching new Omicron subvariant 'very closely' - National | Globalnews.ca
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
Highly mutated COVID virus variant BA.2.86 showing up in multiple countries | CBC News
What is the new COVID-19 variant BA.2, and will it cause another wave of infections in the US?
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
SARS-CoV-2 testing and BA.1/BA.2 asymptomatic rates in children, CCDR 49(4) - Canada.ca
Covid BA.2 Being Quickly Overtaken In U.S. By Its Subvariant BA.2.12.1 – Deadline
COVID Model Projections - April 27, 2022 | BC COVID-19 Modelling Group
COVID Model Projections - February 17, 2022 | BC COVID-19 Modelling Group
Covid outbreaks in New York and DC infect senior officials as omicron BA.2 variant sweeps the U.S.
Canada has detected BA.2 cases. What we know about this Omicron subvariant - National | Globalnews.ca
Omicron subvariant BA.2 raises new questions about puzzling evolution of virus behind COVID-19 | CBC News
Scientists scrutinise characteristics of new Omicron sub-variant BA.2
Canada Omicron infections past peak, hospitalizations rising- health official | Reuters
At least 66 cases of Omicron subvariant detected in Canada
coronavirus variant BA.2.86: Canada detects first case of highly mutated coronavirus variant BA.2.86 - The Economic Times
Omicron BA.1/1.1 SARS-CoV-2 Infection among Vaccinated Canadian Adults | NEJM
Omicron: What's known about 'stealth' version | CTV News
