Effectiveness of an inactivated Covid-19 vaccine with homologous and heterologous boosters against Omicron in Brazil | Nature Communications
Boosting immunity to COVID-19 vaccines | Nature Medicine
Covid booster doses will be offered to over-40s - BBC News
Should I get my COVID vaccine booster? Yes, it increases protection against COVID, including Omicron
Coronavirus (COVID-19) Update: FDA Takes Multiple Actions to Expand Use of Pfizer-BioNTech COVID-19 Vaccine | FDA
What is a booster shot and why do I need it? | OSF HealthCare
Booster and Additional Primary Dose COVID-19 Vaccinations Among Adults Aged ≥65 Years — United States, August 13, 2021–November 19, 2021 | MMWR
Boosters wane but showed protection against hospitalization during omicron, CDC study says - The Washington Post
Covid booster vaccines effective against severe illness from omicron, CDC says
Getting the COVID-19 Vaccine
Effectiveness of a second BNT162b2 booster vaccine against hospitalization and death from COVID-19 in adults aged over 60 years | Nature Medicine
Covid-19: How effective is a third vaccine dose? - BBC Future
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
Effectiveness of a fourth dose of covid-19 mRNA vaccine against the omicron variant among long term care residents in Ontario, Canada: test negative design study | The BMJ
COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
Effects of BNT162b2 Covid-19 Vaccine Booster in Long-Term Care Facilities in Israel | NEJM
Vaccine efficacy against severe COVID-19 in relation to delta variant (B.1.617.2) and time since second dose in patients in Scotland (REACT-SCOT): a case-control study - The Lancet Respiratory Medicine
BNT162b2 Vaccine Booster and Mortality Due to Covid-19 | NEJM
Chart Shows How Fast COVID Booster Shot Protection Kicks in
What You Need to Know about the COVID-19 Booster | NorthShore
So you got the J&J vaccine? Here's what you should know about the delta variant, boosters, and more | AAMC
Protection against SARS-CoV-2 after Covid-19 Vaccination and Previous Infection | NEJM
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
COVID Booster Shots: Everything You Need to Know | The Brink | Boston University
Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR
