O heddiw ymlaen (dydd Llun 18 Mai) gall pawb yng Nghymru sy’n arddangos symptomau’r coronafeirws wneud cais i gael prawf, gan fod gwasanaeth archebu ar-lein newydd wedi’i gyflwyno.
From today, everyone in Wales with symptoms of coronavirus will be able to request a test as a new online booking service becomes available.