Effectiveness of a third dose of BNT162b2 mRNA COVID-19 vaccine in a large US health system: A retrospective cohort study - The Lancet Regional Health – Americas
Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil | Nature Communications
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
Rollout Strategy for the Pfizer-BioNTech COVID-19 Vaccine in Ontario - Ontario COVID-19 Science Advisory Table
Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials - The Lancet
Pfizer/BioNTech COVID-19 booster dose demonstrates high efficacy
Testing fractional doses of COVID-19 vaccines | PNAS
Cohort study of Covid-19 vaccine effectiveness among healthcare workers in Finland, December 2020 - October 2021 - ScienceDirect
Efficacy of a Fourth Dose of Covid-19 mRNA Vaccine against Omicron | NEJM
Safety and Efficacy of a Third Dose of BNT162b2 Covid-19 Vaccine | NEJM
Vaccines | Free Full-Text | Efficacy of the Second COVID-19 Vaccine Booster Dose in the Elderly
Safety and Efficacy of a Third Dose of BNT162b2 Covid-19 Vaccine | NEJM
Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study - The Lancet
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
COVID-19 Vaccines and Booster Shots: Which Combination is Most Effective? - Homage Malaysia
A Bivalent Omicron-Containing Booster Vaccine against Covid-19 | NEJM
COVID-19 Vaccine: Booster Dose | Pantai Hospitals - Pantai Malaysia
Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK - The Lancet
Boosting immunity to COVID-19 vaccines | Nature Medicine
Effectiveness of COVID-19 booster vaccination strategies in partially vaccinated populations
Vaccines | Free Full-Text | Is Booster Dose Strategy Sufficient for Omicron Variant of SARS-CoV-2?
Covid booster vaccines effective against severe illness from omicron, CDC says
Effectiveness of a third dose of the BNT162b2 mRNA COVID-19 vaccine for preventing severe outcomes in Israel: an observational study - The Lancet
COVID-19 mRNA booster provides additional protection, most beneficial for older adults
Moderna COVID vaccine booster dose results in immune memory
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 ...
Measuring Vaccination Impact & Coverage
