Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study - The Lancet
International Certificate of Vaccination or Prophylaxis (ICVP) | Travelers' Health | CDC
Safety and immunogenicity of the protein-based PHH-1V compared to BNT162b2 as a heterologous SARS-CoV-2 booster vaccine in adults vaccinated against COVID-19: a multicentre, randomised, double-blind, non-inferiority phase IIb trial - The Lancet
![Booster] What will my Vaccination status show after I've taken my booster? – TraceTogether FAQs](https://support.tracetogether.gov.sg/hc/article_attachments/4414508550937/boostered.png "Booster] What will my Vaccination status show after I've taken my booster? – TraceTogether FAQs")
Booster] What will my Vaccination status show after I've taken my booster? – TraceTogether FAQs
Hamad Medical Corporation - MOPH Changes Validity of COVID-19 Immunity Following Second Dose to 9 Months. | Facebook
Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar | NEJM
2-dose Covid-19 vaccination to have limited validity; booster shot required to be fully vaccinated: Ong Ye Kung - TODAY
Coronavirus vaccination: the most important questions and answers
In Maui, France and Spain, travelers should pack their booster record - The Washington Post
COVID-19 vaccine waning and effectiveness and side-effects of boosters: a prospective community study from the ZOE COVID Study - The Lancet Infectious Diseases
EU digital COVID certificate - Consilium
Vaccines | Free Full-Text | Willingness to Receive COVID-19 Booster Vaccine: Associations between Green-Pass, Social Media Information, Anti-Vax Beliefs, and Emotional Balance
COVID certificates
How to calculate vaccination validity? Answers to questions on Covid-19 booster jab and more | The Straits Times
Effects of BNT162b2 Covid-19 Vaccine Booster in Long-Term Care Facilities in Israel | NEJM
EU wants to harmonize validity period of vaccination certificate | Reuters
![Booster] What will my Vaccination status show after I've taken my booster? – TraceTogether FAQs](https://support.tracetogether.gov.sg/hc/article_attachments/4414522803609/valid_till.png "Booster] What will my Vaccination status show after I've taken my booster? – TraceTogether FAQs")
Booster] What will my Vaccination status show after I've taken my booster? – TraceTogether FAQs
What to know about the updated COVID-19 vaccine and annual shots - UChicago Medicine
Frontiers | COVID-19 vaccine booster hesitancy (VBH) of healthcare professionals and students in Poland: Cross-sectional survey-based study
EU Digital COVID Certificate: Commission adopts binding acceptance period of nine months for vaccination certificates
Update requires booster shot for 'fully vaccinated status' in EU COVID pass
