Datganiad Ysgrifenedig: Ymchwilio i achosion o COVID-19 a gafwyd yn yr ysbyty a dysgu ohonynt – Y Rhaglen Genedlaethol COVID-19 Nosocomiaidd – Blwyddyn un yr Adroddiad Dysgu Interim Cenedlaethol
Written Statement: Investigating and learning from cases of hospital-acquired Covid-19 – National Nosocomial COVID-19 Programme – Year one Interim National Learning Report