Omicron: Three vaccine doses key for protection against variant - BBC News
Severity of omicron variant of concern and effectiveness of vaccine boosters against symptomatic disease in Scotland | The University of Edinburgh
Eric Topol on X: "First data on booster vaccine effectiveness vs Omicron (581 cases): drop in protection vs symptomatic infection by 2 doses (AZ ->0, Pfizer-> <40%) restored to ~75% with 3rd
Why do Covid boosters offer greater protection against Omicron?
Efficacy of a Fourth Dose of Covid-19 mRNA Vaccine against Omicron | NEJM
Vaccines | Free Full-Text | Is Booster Dose Strategy Sufficient for Omicron Variant of SARS-CoV-2?
Severity of omicron variant of concern and effectiveness of vaccine boosters against symptomatic disease in Scotland (EAVE II): a national cohort study with nested test-negative design - The Lancet Infectious Diseases
Covid booster vaccines effective against severe illness from omicron, CDC says
COVID-19 vaccine surveillance report: week 15
How booster shots can help protect you from Omicron | National Geographic
Vaccines | Free Full-Text | COVID-19 Vaccine Booster Strategies for Omicron SARS-CoV-2 Variant: Effectiveness and Future Prospects
Boosting immunity to Omicron | Nature Medicine
Covid booster vaccines effective against severe illness from omicron, CDC says
Efficacy of booster messenger ribonucleic acid COVID-19 vaccinations against SARS-CoV-2 Omicron variant severity
Effectiveness of mRNA-1273 against SARS-CoV-2 Omicron and Delta variants | Nature Medicine
COVID-19 vaccine effectiveness against the omicron (BA.2) variant in England - The Lancet Infectious Diseases
Effectiveness of a COVID-19 Additional Primary or Booster Vaccine Dose in Preventing SARS-CoV-2 Infection Among Nursing Home Residents During Widespread Circulation of the Omicron Variant — United States, February 14–March 27, 2022 | MMWR
New Omicron-specific vaccines offer similar protection to existing boosters
Effectiveness of a fourth dose of covid-19 mRNA vaccine against the omicron variant among long term care residents in Ontario, Canada: test negative design study | The BMJ
Boosters wane but showed protection against hospitalization during omicron, CDC study says - The Washington Post
Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil | Nature Communications
Omicron – NIH Director's Blog
Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar | NEJM
A Bivalent Omicron-Containing Booster Vaccine against Covid-19 | NEJM
