In the latest week, nearly 60% of community and mass testing in person tests and 91% of hospital tests processed in NHS Wales laboratories were authorised in one day.
Yn yr wythnos ddiwethaf, cafodd bron i 60% o brofion yn y gymuned a phrofion torfol ac 91% o brofion ysbytai a broseswyd yn labordai GIG Cymru eu hawdurdodi mewn un diwrnod.