Yn dilyn y cyngor hwn, mae’r Gweinidog Iechyd a Gwasanaethau Cymdeithasol wedi newid Rheoliadau Diogelu Iechyd (Cyfyngiadau Coronafeirws) (Rhif 4) (Cymru) 2020.
Following this advice the Minister for Health and Social Services has approved the amendment to the Health Protection (Coronavirus Restrictions) (No. 4) (Wales) Regulations 2020.