of the 381,745 close contacts that were eligible for follow-up, 362,131 (94.9%) were successfully contacted and advised accordingly, or had their case otherwise resolved
o blith y 381,745 o gysylltiadau agos a oedd yn gymwys i'w holrhain, cysylltwyd a chynghorwyd â 362,131 (94.9%) yn llwyddiannus, neu chafwyd eu hachos ei ddatrys yn syth