of the 191,429 close contacts that were eligible for follow-up, 175,296 (92%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 191,429 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 175,296 (92%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth