Of the 342 positive cases that were eligible for follow-up, 92.4% were reached within 24 hours of referral to the contact tracing system.
O'r 342 o achosion positif a oedd yn gymwys ar gyfer camau dilynol, cyrhaeddwyd 92.4% ohonynt o fewn 24 awr o gael eu hatgyfeirio i'r system olrhain cysylltiadau.