The number of confirmed COVID-19 patients in hospital has seen an overall increase since September 2020 and is currently at one of the highest level since the series began.
Mae nifer y cleifion yn yr ysbyty gydag achos o COVID-19 sydd wedi’u cadarnhau wedi gweld cynnydd cyffredinol ers mis Medi 2020 ac ar hyn o bryd mae ar un o'r lefelau uchaf ers dechrau'r gyfres.