Estimates of the number of people who’ve had coronavirus in England and Wales are also published by the ONS in their Coronavirus (COVID-19) Infection Survey.
Cyhoeddir amcangyfrifon o nifer y bobl a gafodd y coronafeirws yng Nghymru a Lloegr hefyd gan y Swyddfa Ystadegau Gwladol yn yr Arolwg o Heintiadau Coronafeirws.