of the 15,658 close contacts that were eligible for follow-up, 14,505 (93%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 15,658 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 14,505 (93%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth