Mae nifer yr achosion COVID-19 newydd yn parhau i ostwng yng Nghymru, gyda’r nifer cyfartalog dros gyfnod o 7 diwrnod yn is na 50 achos/100,000 o’r boblogaeth am y tro cyntaf ers mis Medi, a’r gyfradd positifedd profion nawr yn llai na 4.5%.
The numbers of new COVID-19 cases in Wales continues to decrease, with the 7-day average falling below 50 cases/100,000 population for the first time since September and a positivity rate for testing which is now less than 4.5%.