Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil | Nature Communications
NIHCM Collects Data Showing Impact of COVID Boosters
Three mRNA COVID-19 vaccine doses very effective in protecting against emergency department visits and hospitalizations associated with Omicron and Delta variants
A Bivalent Omicron-Containing Booster Vaccine against Covid-19 | NEJM
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
J&J booster 85% effective against Omicron hospitalisation, South Africa says | Reuters
Covid booster vaccines effective against severe illness from omicron, CDC says
Vaccines | Free Full-Text | Is Booster Dose Strategy Sufficient for Omicron Variant of SARS-CoV-2?
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
Boosters vital to mitigate impact of Omicron, but may lose some effectiveness | Imperial News | Imperial College London
Effectiveness of BNT162b2 Vaccine against Omicron Variant in South Africa | NEJM
Covid booster vaccines effective against severe illness from omicron, CDC says
Boosting immunity to Omicron | Nature Medicine
Why do Covid boosters offer greater protection against Omicron?
No Omicron immunity without booster, study finds – Harvard Gazette
Effectiveness of ChAdOx1-S COVID-19 booster vaccination against the Omicron and Delta variants in England | Nature Communications
mRNA-based COVID-19 vaccine boosters induce neutralizing immunity against SARS-CoV-2 Omicron variant - ScienceDirect
Efficacy of a Fourth Dose of Covid-19 mRNA Vaccine against Omicron | NEJM
Covid booster 88% effective against hospital treatment with Omicron - BBC News
Covid booster shots up to 75% effective against Omicron, UK study finds
Severity of omicron variant of concern and effectiveness of vaccine boosters against symptomatic disease in Scotland | The University of Edinburgh
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
Effectiveness of Bivalent Boosters against Severe Omicron Infection | NEJM
