of the 412,803 close contacts that were eligible for follow-up, 390,889 (95%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 412,803 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 390,889 (95%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth