An additional 97 cases of coronavirus have been confirmed in New South Wales in only 24 hours.

The drastic jump from 8pm Friday to 8pm Saturday means the current statewide total of cases is 533.

Several new diagnoses of COVID-19 have also been made in backpackers areas in the Bondi area.

There were two recent parties that some of the cases attended, where they may have acquired and spread the infection.

People who attended the Boogie Wonderland party at The Bucket List in Bondi on the night of Sunday March 15 or a party at Club 77 in Darlinghurst the night before should remain vigilant for signs of the virus.

Immediate isolation is encouraged if any symptoms present.

In the video below: The latest from the coronavirus outbreak from around Australia

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An additional two new cases, with exposure identified as a Sydney Church of Christ service on March 8 at Ryde Civic Centre, have presented.

The service was attended by more than 300 people.

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Nine cases of the virus have been tracked to it.

A further 23 cases are linked to five cruise ships which had recently docked and had passengers disembark in Sydney.

The vast majority of those, 18, left the Ruby Princess on March 19.

In the video below: Gladys Berejliklian moves to a shutdown of NSW’s ‘non-essential services’

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Of the 533 cases, 46 have been locally acquired without an identified source of infection, according to NSW Health.

More than 250 are believed to have been acquired overseas and 131 are locally transmitted.

One-hundred-and-five are under investigation.

It comes as NSW Premier Gladys Berejiklian announces an impending shutdown of “non-essential services” across the state.