This means parents need to keep their children at home, wherever possible and schools and childcare and play settings should be open only for those children who absolutely need to attend.
Lles y staff a’r disgyblion yw’r ystyriaeth bwysicaf, a dylai lleoliadau gofal plant ac addysg ymdrechu i aros ar agor ar gyfer cymaint â phosibl o ddysgwyr os yw’n ddiogel gwneud hynny.