Whilst investigations into healthcare caught infections are standard practice across the NHS, there are many factors and complexities that need to be considered in relation to COVID-19.
Er bod ymchwiliadau i heintiau sy'n cael eu dal mewn lleoliad gofal iechyd yn arfer safonol ar draws y GIG, mae angen ystyried llawer o ffactorau a chymhlethdodau mewn perthynas â COVID-19.