NHS Wales has already started to ramp up the booster programme and is currently administering more than 19,000 vaccinations a day.
Mae Gwasanaeth Iechyd Gwladol Cymru eisoes wedi dechrau cynyddu gweithgarwch y rhaglen brechiadau atgyfnerthu ac, ar hyn o bryd, mae'n rhoi mwy na 19,000 o frechiadau y dydd.