A wedding in Sydney’s south has become a celebration marred by a coronavirus outbreak.

In the two weeks since the ceremony was held at Stanwell Tops on the NSW South Coast, 35 attendees and their close contacts have been diagnosed with the virus.

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“To midday on March 19, there have been 26 NSW residents who attended the wedding who have been diagnosed with COVID-19,” it said.

“There are another four people, NSW residents with COVID-19 who are close contacts of wedding attendees with COVID-19.

“NSW Health is aware of another five people with COVID-19 who attended the wedding but live interstate.”

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It’s understood some of the guests had recently returned from the United States.

Among the guests infected is Liberal Senator Andrew Bragg.

“I was a guest at a friend’s wedding in Stanwell Tops on 6 March,” he wrote on Twitter.

“After satisfying the guidelines of direct exposure and flu symptoms, I have tested positive to coronavirus.”

In a statement shared to Instagram on Friday, the wedding venue said all staff who worked at the function were in good health.

“They are due to come out of self-isolation today as recommended by NSW Health,” it read.

“The staff that were eligible for testing for the COVID-19 virus, all tests returned negative. Not positive. Not contagious.”

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Bragg is one of more than 350 people from New South Wales with coronavirus.

An additional 46 cases were confirmed by NSW Health on Friday.

There was also the sixth death in the state as a result of the disease - an 81-year-old woman who died on Thursday night.