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Dewis pwnc arall neu clirio pob hidlydd.
Nid yw holl gynnwys y cyfrifia wedi'i ryddhau. Edrychwch am ddatganiadau sydd i ddod ar y calendr datganiadau. Fel arall, gallwch greu set ddata eich fun.
Rhyddhawyd ar: 12 June 2020 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 17 November 2025 | Gwybodaeth gorfforaethol
Rhyddhawyd ar: 30 September 2021 | Methodoleg
An overview of our approach to measuring coronavirus (COVID-19) testing, tracing and vaccination services in government output.
Rhyddhawyd ar: 14 March 2022 | Gwybodaeth gorfforaethol
A study on people's experiences of testing positive for coronavirus (COVID-19).
Rhyddhawyd ar: 04 May 2021 | Methodoleg
Latest quality and methodology information on data from the COVID Test and Trace Cases Insights Survey and its use to examine the adherence to self-isolation guidelines. Experimental statistics.
Rhyddhawyd ar: 08 September 2021 | Methodoleg
Latest quality and methodology information on data from the COVID Test and Trace Contacts Insights Survey and its use to examine understanding and adherence to self-isolation guidance. Experimental statistics.
