of the 34,853 close contacts that were eligible for follow-up, 25,364 (72.8%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 34,853 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 25,364 (72.8%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth