Dr Chris Jones, Wales’ deputy chief medical officer, encouraged people across Wales to get their booster vaccine and follow measures to curb the spread of the virus.
Fe wnaeth Dr Chris Jones, dirprwy brif swyddog meddygol Cymru, annog pobl ledled Cymru i gael eu brechiad atgyfnerthu a dilyn mesurau i leihau lledaeniad y feirws.