Cookies are small files stored on your device when you visit a website. We use some essential cookies to make this website work.
We would like to set additional cookies to remember your settings and understand how you use the site. This helps us to improve our services.
You have accepted all additional cookies. You have rejected all additional cookies. You can change your cookie preferences at any time. Hide
Loading search results
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: 9 November 2022 | Setiau data
Analysis of delays between the onset of symptoms and booking a test in the Test and Trace system and the impact these delays had on COVID-19 hospitalisation and deaths involving COVID-19.
Rhyddhawyd ar: 27 October 2021 | Setiau data
Experimental statistics providing estimates of pupils ever testing positive for SARS-CoV-2 antibodies from the COVID-19 Schools Infection Survey across a sample of schools, within selected local authority areas in England.
Rhyddhawyd ar: 6 November 2020 | Erthygl
Rhyddhawyd ar: 15 March 2017 | Data a gyrchwyd gan y defnyddiwr
Rhyddhawyd ar: 20 December 2017 | Data a gyrchwyd gan y defnyddiwr
Rhyddhawyd ar: 16 March 2016 | Data a gyrchwyd gan y defnyddiwr
Rhyddhawyd ar: 14 January 2020 | Data a gyrchwyd gan y defnyddiwr
Rhyddhawyd ar: 18 December 2019 | Data a gyrchwyd gan y defnyddiwr
