E-bost oddi wrth Syr Patrick Vallance at Michael Parkern (DEFRA) a’r Athro Fonesig Angela McLean (MoD), ynghylch brechiadau, dyddiedig rhwng 26/01/2021 a 11/02/2021.
E-bost oddi wrth Syr Patrick Vallance at Michael Parkern (DEFRA) a’r Athro Fonesig Angela McLean (MoD), ynghylch brechiadau, dyddiedig rhwng 26/01/2021 a 11/02/2021.