Nid oes gan tua 1 o bob 3 o bobl sydd â coronafeirws symptomau ond gallant ddal i heintio eraill, sy'n golygu bod profion asymptomatig yn ffordd bwysig o ddod o hyd i achosion i gadw pobl yn ddiogel wrth i gyfyngiadau gael eu lleddfu'n raddol . Dylai unrhyw un sydd â symptomau coronafeirws hunanynysu a chael prawf drwy ffonio 119 neu ei archebu ar-lein.
About 1 in 3 people with coronavirus do not have symptoms but can still infect others, which means asymptomatic testing is an important means to keep people safe as restrictions are gradually eased. Anyone with coronavirus symptoms should self-isolate and get a test by phoning 119 or booking it online.