of the 379,003 close contacts that were eligible for follow-up, 359,385 (94.8%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 379,003 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 359,385 (94.8%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth