Between 6 and 12 December 2020 there were 45,769 positive cases and close contacts that were eligible for follow-up compared to 37,722 over the latest week.
Rhwng 6 a 12 Rhagfyr 2020 roedd 45,769 o achosion positif a gysylltiadau agos sy'n gymwys i'w holrhain o'i gymharu â 37,722 dros yr wythnos ddiweddaraf.