Gwelwyd yr achos cyntaf yn ffatri 2 Sisters yn Llangefni, Ynys Môn. Hyd yn hyn, mae 200 o achosion wedi’u cadarnhau ac mae’r rhan fwyaf ymhlith aelodau staff y ffatri. Mae rhai ohonynt yn perthyn i’r un aelwyd â’r gweithwyr hynny. Mae mwy na 450 o brofion wedi’u gwneud. Mae 89 o bobl yn dal i aros am brawf ac rydym yn mynd ati’n rhagweithiol i fynd ar drywydd hynny. Mae’r cyflogwr wedi cau’r ffatri a dim ond pan fydd mesurau effeithiol wedi’u rhoi yn eu lle y bydd yn ailagor. Mae cysylltiadau pawb sydd wedi dal y feirws yn cael eu profi ac mae’r holl bobl hynny yn hunanynysu.
The first outbreak is centred on the 2 Sisters plant in Llangefni, in Anglesey. So far there are 200 confirmed cases and the majority are staff members at the plant. Some are household contacts. More than 450 tests have been taken. 89 people are still to be tested and these are being actively followed up. The factory has been closed by the employer and will only re-open once effective controls have been put in place. All contacts of cases are being followed up and tested and all cases and contacts are self-isolating.