A female in her 60s is also receiving care at Manning Hospital while the source of her infection continues to be investigated.

This takes the total number of cases of COVID-19 in Hunter New England to seven.

Hunter New England Health said on Tuesday afternoon there was no connection between these two new cases and any cases previously confirmed in the district.

The woman in her 40s arrived in Sydney on American Airlines flight AA0073 from Los Angeles on March 11.

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NSW Health is asking anyone who travelled on this flight to be alert for fever or respiratory symptoms. If they develop any of these symptoms, they should contact their GP or present to an emergency department.

Hunter New England Health is contacting close contacts of the two new cases, who are also being asked to self-isolate for 14 days from last contact.

A spokesperson said they would be contacted every day to check that they are well and any contact who developed COVID-19 symptoms would be tested for the infection.

On Tuesday, an additional 39 people in NSW were confirmed to have coronavirus (COVID-19).

There have now been 210 confirmed cases in the state.

There are 1482 cases currently under investigation in NSW, where more than 28,500 cases have been tested and excluded.

The NSW Government has announced a $2.3 billion health boost and economic stimulus package to help address the COVID-19 outbreak - including $700 million in extra health funding.

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