Cohort study of Covid-19 vaccine effectiveness among healthcare workers in Finland, December 2020 - October 2021 - ScienceDirect
CDC: COVID-19 Booster Effectiveness Wanes After Four Months | The Scientist Magazine®
HITAP: โครงการประเมินเทคโนโลยีและนโยบายด้านสุขภาพ Cost-Effectiveness Analysis of COVID-19 Vaccine Booster Dose in the Thai Setting during the Period of Omicron Variant Predominance
Bivalent COVID Shots May Hold Up Better Against Severe Omicron | MedPage Today
Study confirms effectiveness of COVID-19 booster vaccinations - Mayo Clinic News Network
COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
Study: COVID-19 booster shots less effective after 4 months but still provides protection - YouTube
Covid booster doses will be offered to over-40s - BBC News
CDC publishes first estimates of bivalent boosters' effectiveness against XBB.1.5
Study: COVID booster effectiveness wanes but remains strong | AP News
BNT162b2 Vaccine Booster and Mortality Due to Covid-19 | NEJM
COVID-19 vaccine breakthrough infections | Science
Q&A: What to Know About Waning Vaccine Effectiveness and Booster Shots | UVA Today
NIHCM Collects Data Showing Impact of COVID Boosters
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
Boosting immunity to COVID-19 vaccines | Nature Medicine
Vaccines | Free Full-Text | Is Booster Dose Strategy Sufficient for Omicron Variant of SARS-CoV-2?
Effectiveness of COVID-19 booster vaccination strategies in partially vaccinated populations
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 Boosters against Severe Omicron Infection | NEJM
Effectiveness of Bivalent mRNA Vaccines in Preventing Symptomatic SARS-CoV-2 Infection — Increasing Community Access to Testing Program, United States, September–November 2022 | MMWR
COVID-19 Booster Effectiveness Remained High During Omicron Surge > TRICARE Newsroom > Market News
What We Know So Far About Waning Vaccine Effectiveness - The New York Times
