In his advice to me today, the CMO recommends that a move to online learning should be implemented for secondary school pupils as soon as is practicable.
Yn ei gyngor i mi heddiw, mae'r Prif Swyddog Meddygol yn argymell y dylid symud tuag at ddysgu ar-lein ar gyfer disgyblion ysgolion uwchradd cyn gynted ag y bo'n ymarferol.