Gwnaethant gysylltu’n llwyddiannus â bron i 95% o’r cysylltiadau agos a oedd yn gymwys am gyswllt dilynol, gan roi cyngor iddynt, neu helpu i ddatrys eu hachosion.
They successfully contacted almost 95% of the close contacts that were eligible for follow up, and provided them with advice, or helped to resolve their cases.