Advice for children under 5 is unchanged – they will not need to isolate and are not required to take a PCR test or do lateral flow tests.
Nid yw’r cyngor wedi newid ar gyfer plant o dan 5 oed – ni fydd angen iddyn nhw hunanynysu ac nid oes rhaid iddynt gymryd prawf PCR na phrofion llif unffordd.