Investigations of harm that has occurred due to nosocomial transmission of COVID-19 have always played an important part in shaping the way that guidance has been implemented locally.
Mae ymchwilio i’r niwed a achoswyd gan drosglwyddiadau nosocomiaidd COVID-19 wedi chwarae rhan bwysig bob amser i ddylanwadu ar y ffordd y bydd canllawiau yn cael eu gweithredu’n lleol.