Gofynnir i bobl ledled Cymru gofnodi eu symptomau dyddiol er mwyn helpu i greu darlun cliriach o sut mae’r feirws yn effeithio ar bobl. Mae’r ap ar gyfer pawb, nid dim ond y rhai sydd â symptomau.
People across Wales are being asked to log their daily symptoms to help build a clearer picture of how the virus is affecting people. The app is for everyone, not just those who are experiencing symptoms.