Public Health Wales is currently undertaking work to review this data and determine how this links with the existing data from tests undertaken in NHS laboratories in Wales.
Mae Iechyd Cyhoeddus Cymru wrthi’n gwneud gwaith i adolygu’r data a phenderfynu sut y mae’n cysylltu â’r data presennol o brofion a gynhaliwyd yn labordai’r GIG yng Nghymru.