Cyhoeddodd y Gweinidog Iechyd ddatganiad ysgrifenedig ar 23 Rhagfyr ynghylch lleihau'r cyfnod hunanynysu o 10 i saith diwrnod, ar sail dau brawf llif unffordd negatif i’w cymryd ar ddiwrnodau chwech a saith, o 5 Ionawr.
The Health Minister published a written statement on 23 December about reducing the self-isolation period from 10 to seven days, on the basis of two negative lateral flow tests taken on days six and seven, from 5 January.