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
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
Effectiveness of Up-to-Date COVID-19 Vaccination in Preventing SARS-CoV-2 Infection Among Nursing Home Residents — United States, November 20, 2022–January 8, 2023 | MMWR
Comparative effectiveness of bivalent BA.4-5 and BA.1 mRNA booster vaccines among adults aged ≥50 years in Nordic countries: nationwide cohort study | The BMJ
Israel hopes boosters can avert new lockdown as Covid vaccine efficacy fades
Coronavirus (COVID-19) Update: FDA Takes Multiple Actions to Expand Use of Pfizer-BioNTech COVID-19 Vaccine | FDA
Are COVID-19 vaccine boosters needed? | Virology Blog
Boosting immunity to COVID-19 vaccines | Nature Medicine
Covid booster vaccines effective against severe illness from omicron, CDC says
Protection duration after vaccination or infection, and efficacy of a third dose by vaccination or booster by infection – Swiss National COVID-19 Science Task Force
Why do Covid boosters offer greater protection against Omicron?
Why don't COVID-19 vaccines last longer? | World Economic Forum
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
COVID-19 BOOSTER VACCINE EFFECTIVENESS IN PEOPLE WITH AND WITHOUT IMMUNE DYSFUNCTION – in reducing breakthrough, duration of benefit
COVID-19 Vaccine Boosters at VA Long Beach and New Website
Coronavirus (COVID-19) Update: FDA Shortens Interval for Booster Dose of Moderna COVID-19 Vaccine to Five Months | FDA
Durability of Bivalent Boosters against Omicron Subvariants | NEJM
Effectiveness of COVID-19 booster vaccines against COVID-19-related symptoms, hospitalization and death in England | Nature Medicine
Boosters wane but showed protection against hospitalization during omicron, CDC study says - The Washington Post
Effects of BNT162b2 Covid-19 Vaccine Booster in Long-Term Care Facilities in Israel | NEJM
Boosting with updated COVID-19 mRNA vaccines | Nature Medicine
Effectiveness of a second BNT162b2 booster vaccine against hospitalization and death from COVID-19 in adults aged over 60 years | Nature Medicine
