There were just over 557,000 hits on the NHS 111 Wales website, the highest on record, and just over 14,900 completed symptom checks (NHS 111 Wales) in January.
Mae Gwasanaeth Iechyd Gwladol Cymru eisoes wedi dechrau cynyddu gweithgarwch y rhaglen brechiadau atgyfnerthu ac, ar hyn o bryd, mae'n rhoi mwy na 19,000 o frechiadau y dydd.