Booster and Additional Primary Dose COVID-19 Vaccinations Among Adults Aged ≥65 Years — United States, August 13, 2021–November 19, 2021 | MMWR
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
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
Why do Covid boosters offer greater protection against Omicron?
Effectiveness of a second BNT162b2 booster vaccine against hospitalization and death from COVID-19 in adults aged over 60 years | Nature Medicine
Effectiveness of a second BNT162b2 booster vaccine against hospitalization and death from COVID-19 in adults aged over 60 years | Nature Medicine
Safety Monitoring of COVID-19 mRNA Vaccine Second Booster Doses Among Adults Aged ≥50 Years — United States, March 29, 2022–July 10, 2022 | MMWR
Effectiveness of a third dose of the BNT162b2 mRNA COVID-19 vaccine for preventing severe outcomes in Israel: an observational study - The Lancet
Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR
Omicron infection is a poor booster of COVID-19 immunity | Imperial News | Imperial College London
Finnish study highlights the need for mRNA COVID vaccine booster shots
BNT162b2 Vaccine Booster and Mortality Due to Covid-19 | NEJM
Covid booster doses will be offered to over-40s - BBC News
RACGP - Does mixing COVID boosters provide better immunity?
What is a booster shot and why do I need it? | OSF HealthCare
Covid booster vaccines effective against severe illness from omicron, CDC says
What We Know About Getting a Second Booster Shot of COVID-19 Vaccines | The Scientist Magazine®
Covid booster vaccines effective against severe illness from omicron, CDC says
Boosters provide high level of protection against death with Omicron - GOV.UK
Boosting immunity to Omicron | Nature Medicine
booster shot – NIH Director's Blog
Effectiveness of the second COVID-19 booster against Omicron: a large-scale cohort study in Chile | Nature Communications
What We Know About Getting a Second Booster Shot of COVID-19 Vaccines | The Scientist Magazine®
