This report provides an overview of the progress in the roll-out of COVID-19 vaccines in adults (aged 18 years and above) across EU/EEA Member States. It presents the number of vaccine doses distributed by manufacturers to each Member State for the different approved vaccines and the number of first, second or unspecified doses administered to adult individuals overall, by age group and other selected target groups including healthcare workers (HCW) and residents in long-term care facilities (LTCF).