NSW has recorded 9017 new COVID-19 cases and another five virus-related deaths as primary school staff and childcare workers no longer have to wear masks.

There are 1066 COVID patients in hospital, 43 of them in ICU and 15 are on ventilators.

Four women and one man died from the virus on Sunday. All five had received two doses of a COVID-19 vaccine.

Two of them were in their 60s, one was in their 70s and two people were in their 80s.

The number of COVID-19 related deaths in NSW since the beginning of the pandemic now stands at 1948.

NSW Health reports 55.8 per cent of people have had a COVID-19 booster vaccine, while 79 per cent of people aged 12-15 have had two jabs.

Nearly half - 47.9 per cent of children aged 5-11 have had one dose of a COVID vaccine.

Meanwhile, the last of mask mandates in schools have been scrapped, with childcare workers and teachers in primary schools no longer required to mask up at work.

Authorities have renewed calls to anyone isolating because of COVID-19 to comply with orders to evacuate.

COVID-19 positive people arriving at flood evacuation centres must notify staff, wear a mask and physically distance from others.