It is understood that the current NHS Wales protocol is to test all residents returning from hospital, and to transfer that the main external vectors for infection are the staff and new residents.
Deellir mai protocol presennol GIG Cymru yw profi pob preswylydd sy'n dychwelyd o'r ysbyty, a'u trosglwyddo i'r cartref gofal dim ond os dychwelir canlyniad negyddol.