Since the beginning of October 2020, there has been an overall increase in the percentage of satellite asymptomatic tests returned within one calendar day despite some fluctuations in the data.
Ers dechrau mis Hydref 2020, bu cynnydd cyffredinol yn canran y profion asymptomatig a ddychwelwyd o labordai ategol o fewn un diwrnod calendr er oedd rhai amrywiadau yn y data.