These were confirmed COVID-19 patients who had not been actively treated for COVID-19 and had completed 10 days post a positive COVID-19 test.
Cleifion â COVID-19 wedi’i gadarnhau oedd y rhain, nad oeddent wedi cael triniaeth weithredol ar gyfer COVID-19 ac a oedd wedi cwblhau 10 diwrnod ar ôl prawf COVID-19 positif.