of the 403,170 close contacts that were eligible for follow-up, 381,546 (95%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 403,170 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 381,546 (95%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth