Datganiad Ysgrifenedig: Y Cyd-bwyllgor ar Imiwneiddio a Brechu – y cyngor terfynol ar bwy sy’n gymwys ar gyfer brechiad atgyfnerthu COVID-19 yn hydref 2023
Written Statement: Joint Committee on Vaccination and Immunisation – final advice on eligibility for Covid-19 autumn booster vaccination in 2023