Members received and discussed a presentation on the risk factors that underpin COVID-19 transmission and the sectors within which COVID-19 transmission risks are high.
Derbyniodd a thrafododd yr aelodau gyflwyniad ar y ffactorau risg sy'n sail i drosglwyddo COVID-19 a'r sectorau lle mae’r risgiau o drosglwyddo COVID-19 yn uchel.