Analysis of the proportion of people testing positive, the rate of new infections and the proportion of people with antibodies for COVID-19 for 29 June to 2 August 2020.
Dadansoddiad o gyfran y bobl sy'n profi'n bositif, cyfradd yr heintiau newydd a chyfran y bobl â gwrthgyrff ar gyfer COVID-19 ar gyfer 29 Mehefin i 2 Awst 2020.