The first two cases, which were revealed earlier this week, were from the same family and household, and had been linked to a known active case in Tamworth.

The third case was confirmed on Wednesday, and the fourth on Thursday.

READ ALSO:

Drive-through COVID-19 testing has resumed at Armidale with a Laverty Pathology clinic now operational at the Armidale Showground.

Consistent poor weather, including the recent tornado, prompted Laverty Pathology to relocate its operations from the Armidale Airport Business Park.

Meanwhile, Tamworth has recorded 11 new cases of COVID-19 and Tamworth Public School has been closed for deep cleaning after it was added to the list of exposure sites.

Four cases are from East Tamworth, two from South Tamworth, two from West Tamworth, one from Oxley Vale, one from Warral and one from Tamworth.

The spike in cases comes as Tamworth Public School announced a member of the school community tested positive on Wednesday night.

It comes as 79 new cases were recorded across the Hunter New England Health district, 24 cases were in isolation for their entire infectious period, 41 were infectious in the community, and 14 are still under investigation.

CLICK HERE TO RECEIVE EMAILS FEATURING THE BEST LOCAL NEWS AND STORIES, AS WELL AS OUR BREAKING NEWS ALERTS

Fragments of COVID-19 have been detected in sewage at Barabba and Uralla, where there are currently no known cases.

Health authorities have urged residents to get tested if they experience any symptoms.

Across the state 293 new cases of COVID were reported and two people have died. While 86 per cent of NSW residents are now fully vaccinated.

Our journalists work hard to provide local, up-to-date news to the community. This is how you can access our trusted content: