Investigating COVID-19 related deaths in Wales from the start of the pandemic to the end of 2021, comparing the three main periods, including some UK comparisons.
Ymchwilio i farwolaethau cysylltiedig â COVID-19 yng Nghymru o ddechrau’r pandemig hyd ddiwedd 2021, gan gymharu’r tri phrif gyfnod a gwneud rhai cymariaethau gyda’r DU.