of the 16,084 close contacts that were eligible for follow-up, 14,094 (87.6%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 16,084 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 14,094 (87.6%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth