Fel cam cyntaf i ddysgu sut gallwn ni atal niwed pellach o COVID-19, gofynnais i Grŵp Cyngor Technegol Llywodraeth Cymru archwilio ton gyntaf y pandemig. Maent wedi darparu casgliadau gall helpu cyfyngu niwed yng Nghymru a’r DU ehangach yn ystod tonnau dyfodol o’r firws hon. Yn unol â'n hymrwymiadau i gyhoeddi cyngor TAG,  mae i’w weld yma:
As a first step to learning how we can prevent further harms from COVID-19, I asked the Welsh Government Technical Advisory Group to examine the first wave of the pandemic. They have drawn some conclusions that could help to limit harm in Wales and the wider UK during future waves of this virus. In line with our commitment to publish TAG advice, it can be found here: