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
COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
Effectiveness of a second BNT162b2 booster vaccine against hospitalization and death from COVID-19 in adults aged over 60 years | Nature Medicine
What is a booster shot and why do I need it? | OSF HealthCare
Effectiveness of a third dose of the BNT162b2 mRNA COVID-19 vaccine for preventing severe outcomes in Israel: an observational study - The Lancet
Effects of BNT162b2 Covid-19 Vaccine Booster in Long-Term Care Facilities in Israel | NEJM
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
Durability of Bivalent Boosters against Omicron Subvariants | NEJM
Lincolnshire COVID vaccination programme extended to support everyone aged 18 and over to have their booster before New Year | West Lindsey District Council
COVID-19 Booster Vaccine: A Timeline for Third Dose Effectiveness and Immunity
Boosting immunity to COVID-19 vaccines | Nature Medicine
The Omicron Booster: Your Questions Answered > News > Yale Medicine
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How Long It Takes for the COVID-19 Booster To Work
Coronavirus (COVID-19) Update: FDA Takes Multiple Actions to Expand Use of Pfizer-BioNTech COVID-19 Vaccine | FDA
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
Chart Shows How Fast COVID Booster Shot Protection Kicks in
New Omicron-specific vaccines offer similar protection to existing boosters
A Bivalent Omicron-Containing Booster Vaccine against Covid-19 | NEJM
Why don't COVID-19 vaccines last longer? | World Economic Forum
Covid-19 vaccine booster effectiveness wanes after four months but still offers protection, study finds | CNN
BNT162b2 Vaccine Booster and Mortality Due to Covid-19 | NEJM
Booster and Additional Primary Dose COVID-19 Vaccinations Among Adults Aged ≥65 Years — United States, August 13, 2021–November 19, 2021 | MMWR
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
Effectiveness of heterologous ChAdOx1 nCoV-19 and mRNA prime-boost vaccination against symptomatic Covid-19 infection in Sweden: A nationwide cohort study - The Lancet Regional Health – Europe
Covid booster doses will be offered to over-40s - BBC News
