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EU Digital COVID Certificate: Commission adopts binding acceptance period of nine months for vaccination certificates
How to calculate vaccination validity? Answers to questions on Covid-19 booster jab and more | The Straits Times
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365-day validity of 'fully vaccinated' status will be reviewed as more data on vaccine protection is available, says MOH - TODAY
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Coronavirus (COVID-19) Update: FDA Shortens Interval for Booster Dose of Moderna COVID-19 Vaccine to Five Months | FDA
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Frontiers | COVID-19 vaccine booster hesitancy (VBH) of healthcare professionals and students in Poland: Cross-sectional survey-based study
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