of the 26,135 close contacts that were eligible for follow-up, 23,820 (91%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 26,135 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 23,820 (91%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth