Mae’r Prif Swyddog Meddygol ar gyfer Cymru, Dr Frank Atherton, wedi cadarnhau bod pedwar claf arall yng Nghymru wedi profi’n bositif am goronafeirws (COVID -19).
The Chief Medical Officer for Wales, Dr Frank Atherton, has confirmed that four further patients in Wales have tested positive for coronavirus (COVID -19).