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
NIHCM Collects Data Showing Impact of COVID Boosters
COVID-19 vaccine effectiveness against the omicron (BA.2) variant in England - The Lancet Infectious Diseases
Por qué la tercera dosis de la vacuna contra la COVID-19 es fundamental contra Ómicron | National Geographic
Efficacy of a Fourth Dose of Covid-19 mRNA Vaccine against Omicron | NEJM
Booster needed to neutralize the fast-spreading variant | World Economic Forum
A Bivalent Omicron-Containing Booster Vaccine against Covid-19 | NEJM
Why do Covid boosters offer greater protection against Omicron?
Covid booster vaccines effective against severe illness from omicron, CDC says
Boosting immunity to Omicron | Nature Medicine
Moderna vaccine no match for omicron except with booster, study finds : Shots - Health News : NPR
Severity of omicron variant of concern and effectiveness of vaccine boosters against symptomatic disease in Scotland | The University of Edinburgh
Sputnik V on X: "Canadian real-world study of mRNA vaccines efficiency vs # Omicron shows negative efficacy of 2 mRNA doses and quickly waning efficiency of homologous #mRNA booster: “A third dose provides
Effectiveness of Bivalent Boosters against Severe Omicron Infection | NEJM
Three mRNA COVID-19 vaccine doses very effective in protecting against emergency department visits and hospitalizations associated with Omicron and Delta variants
Effectiveness of mRNA-1273 against SARS-CoV-2 Omicron and Delta variants | Nature Medicine
UK Study: mRNA Booster 88% Effective Against Omicron Hospitalisation - CodeBlue
No Omicron immunity without booster, study finds – Harvard Gazette
Covid booster vaccines effective against severe illness from omicron, CDC says
Omicron – NIH Director's Blog
Early Estimates of Bivalent mRNA Vaccine Effectiveness in Preventing COVID-19–Associated Emergency Department or Urgent Care Encounters and Hospitalizations Among Immunocompetent Adults — VISION Network, Nine States, September–November 2022 | MMWR
Effectiveness of BNT162b2 Vaccine against Omicron Variant in South Africa | NEJM
