of the 384,286 close contacts that were eligible for follow-up, 364,636 (94.9%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 384,286 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 364,636 (94.9%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth