Mae un filiwn o bobl ar draws Cymru wedi cael o leiaf un dos o’r brechlyn rhag coronafeirws, sy’n golygu bod gan bron i 40% o’r boblogaeth sy’n oedolion bellach rywfaint o ddiogelwch rhag COVID-19.
One million people across Wales have had at least one dose of the coronavirus vaccine, meaning almost 40% of the adult population now have a level of protection from COVID-19.