of the 403,301 close contacts that were eligible for follow-up, 383,655 (95.1%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 403,301 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 383,655 (95.1%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth