18 invasive ventilated beds were occupied with COVID-19 related patients, compared to 164 at the peak in April
roedd 18 o welyau cymorth anadlu mewnwthiol mewn defnydd gan gleifion cysylltiedig â COVID-19 (posibl, sydd wedi'u cadarnhau, a sy’n gwella), o gymharu â 164 ar y brig ym mis Ebrill