There have also been no new overseas acquired cases of coronavirus reported in the 24 hours to Sunday.

The total number of active cases in Victoria sits at 21.

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Health authorities had 14,862 COVID-19 tests reported to them in the past 24 hours.

It came as genomics testing confirmed the hotel quarantine worker who tested positive to coronavirus on Wednesday had the UK variant of the virus.

Victorian authorities were still trying to establish how the highly infectious virus strain was transmitted to the worker, who is a 26-year-old man from Noble Park.

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All 17 of the man's household and social primary close contacts have tested negative for COVID-19.

Another 767 workplace close contacts and 362 contacts from the exposure sites were also being tested for the virus and isolating.

About 60 per cent of those people have returned negative test results, Health Minister Martin Foley said on Saturday.

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