I ddiogelu’r cyhoedd, cedwir mewn cysylltiad rheolaidd â theithwyr sy’n dychwelyd o wledydd ar y rhestrau oren a gwyrdd, gan gynnig cymorth iddynt gydymffurfio â’r gofynion profi ac ynysu, gan gynnwys cynnal ymweliadau ar garreg y drws.
To protect public safety, travellers arriving from countries on the amber and green lists are contacted regularly and offered support to help them comply with the testing and isolation requirements, including doorstep visits.