of the 14,855 close contacts that were eligible for follow-up, 13,992 (94.2%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 14,855 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 13,992 (94.2%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth