The Welsh Government announced on 15 September 2021 that NHS Wales would begin to offer the COVID-19 vaccine to young people aged 12 to 15 from 4 October 2021.
Cyhoeddodd Llywodraeth Cymru ar 15 Medi 2021 y byddai GIG Cymru yn dechrau cynnig y brechlyn COVID-19 i bobl ifanc rhwng 12 a 15 oed o 4 Hydref 2021.