Mae'r Prif Swyddog Meddygol yn argymell defnyddio gorchuddion wyneb mewn ysgolion uwchradd mewn amrywiaeth o sefyllfaoedd lle nad oes modd cadw at ddulliau rheoli corfforol eraill neu fod hynny'n annhebygol.
The Chief Medical Officer recommends the risk assessed use of face coverings in secondary schools in a range of settings where other physical controls cannot be or are unlikely to be maintained.