Health authorities say 1649 people are in hospital with the virus, 100 of whom are in intensive care.

Of the 6000-plus tests, 4040 results came from positive rapid antigen tests while 2114 came from PCR testing.

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Meanwhile thousands of NSW nurses will walk off the job this week for the first time in a decade as part of a long-running campaign for better staffing and pay.

NSW Nurses and Midwives Association General Secretary Brett Holmes says the strike will impact 150 public hospitals when nurses strike from 7am on Tuesday.

The timing and length of the action will vary from hospital to hospital and skeleton staff will remain at work to ensure patient care.

The union continues to push for minimum staff-to-patient ratios.

Australian Associated Press