Analysis of the proportion of people testing positive, the rate of new infections and the proportion of people with antibodies for COVID-19 for 14 to 20 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 7 i 13 Awst 2020.