32,962 (80.2%) of the close contacts were household contacts, of which 22,397 (67.9%) were reached and advised accordingly, or had their case otherwise resolved
roedd 32,962 (80.2%) o’r cysylltiadau agos yn gysylltiadau cartref, a chafwyd gafael ar 22,397 (67.9%) yn llwyddiannus a rhoi’r cyngor perthnasol iddynt, neu cafodd eu hachos ei ddatrys fel arall.