of the 13,209 close contacts that were eligible for follow-up, 10,789 (82%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 13,209 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 10,789 (82%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth