Y brechlyn yw’r ffordd orau o hyd i atal salwch difrifol ac atal COVID-19 rhag lledaenu, a chaiff pob oedolyn cymwys ei annog i gael y ddau ddos, a’r dos atgyfnerthu pan ofynnir iddynt, os ydynt yn gymwys.
The vaccine continues to be the best way to prevent serious illness and the spread of COVID-19 and every eligible adult is urged to take-up both doses when asked and a booster dose, if eligible.