TAG is the Technical Advisory Group, comprising scientific and technical experts who provide science advice and guidance to the Welsh Government in response to COVID-19.
TAG yw'r Grŵp Cyngor Technegol, sy'n cynnwys arbenigwyr gwyddonol a thechnegol sy'n rhoi cyngor ac arweiniad gwyddonol Lywodraeth Cymru mewn ymateb i COVID-19.