New Omicron-specific vaccines offer similar protection to existing boosters
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
mRNA-based COVID-19 vaccine boosters induce neutralizing immunity against SARS-CoV-2 Omicron variant - ScienceDirect
Responding to Omicron: Aggressively Increasing Booster Vaccinations Now Could Prevent Many Hospitalizations and Deaths | Commonwealth Fund
Vaccines appear weak at blocking Omicron, better against severe disease | Reuters
A Bivalent Omicron-Containing Booster Vaccine against Covid-19 | NEJM
Booster needed to neutralize the fast-spreading variant | World Economic Forum
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
Vaccines | Free Full-Text | COVID-19 Vaccine Booster Strategies for Omicron SARS-CoV-2 Variant: Effectiveness and Future Prospects
How booster shots can help protect you from Omicron | National Geographic
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
Omicron – NIH Director's Blog
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
Does the Booster Protect Against Omicron?
Covid booster shots up to 75% effective against Omicron, UK study finds
Why do Covid boosters offer greater protection against Omicron?
Vaccines | Free Full-Text | The Four Ws of the Fourth Dose COVID-19 Vaccines: Why, Who, When and What
Eric Topol on X: "The decline of vaccine effectiveness vs Omicron. Simplified (no 95% CI) summary for Pfizer vaccine vs Delta, + booster, and vs Omicron, + booster (early @UKHSA data) vs
Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil | Nature Communications
Effectiveness of mRNA-1273 against SARS-CoV-2 Omicron and Delta variants | Nature Medicine
Early Estimates of Bivalent mRNA Booster Dose Vaccine Effectiveness in Preventing Symptomatic SARS-CoV-2 Infection Attributable to Omicron BA.5– and XBB/XBB.1.5–Related Sublineages Among Immunocompetent Adults — Increasing Community Access to Testing ...
