Ers dechrau’r pandemig cynghorwyd tua 130,000 o bobl yng Nghymru i gymryd camau gwarchod gan eu bod mewn perygl mawr o ddatblygu salwch difrifol os ydynt yn contractio coronafeirws.
Around 130,000 people in Wales have been advised to take shielding measures since the start of the pandemic because they are at high risk of developing serious illness if they contract coronavirus.