Fel ag yr oedd y sefyllfa ddiwedd mis Chwefror, mae timau olrhain cysylltiadau yng Nghymru wedi cyrraedd 167,226 (99.6 y cant) o’r achosion positif a oedd yn gymwys i gael cyswllt dilynol, ynghyd â 382,494 (95 y cant) o'u cysylltiadau agos ac wedi cynghori unigolion a oes angen iddynt hunanynysu ai peidio.
As of the end of February, contact tracers in Wales have reached 167,226 (99.6 per cent) positive cases who were eligible for follow-up, together with 382,494 (95 per cent) of their close contacts and advised people whether or not they need to self-isolate.