The cases were detected after the 8pm deadline on Sunday, and therefore were not announced in NSW Health's daily update.

All are believed to be linked to a single agricultural business and a confirmed case in Gunnedah announced on Sunday, Tamworth MP Kevin Anderson said.

"We've been advised this morning that there are six cases in and around the Gunnedah LGA, a business in Gunnedah has reported that, and they have been in contact with NSW Health," Mr Anderson said.

"I've spoken personally with the business owners, they are doing everything they can to support their workers and the community.

"They are heartbroken that something like this has occurred in their business.

"Yesterday they took the precautionary measure of shutting down their business and deep cleaning and making sure that all their workers were tested."

The case was infectious in the community, with a number of exposure sites listed by Hunter New England Health.

A NSW Health panel will meet this afternoon to assess the risk to the community and make a determination on lockdown.

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There were no new cases announced in the Tamworth LGA on Monday, after a positive case was detected in West Tamworth on Sunday.

Mr Anderson urged the community to come forward for testing with even the mildest of symptoms.

"The message is clear that we do need to get tested to keep out community safe," he said.

"I want to give a huge shout out to Laverty Pathology, who today on a public holiday reopened to make sure that people had the opportunity to get tested."

Drive-through testing is available today in Tamworth at Carter Street from 8am to 12pm and at HACC and Disabilities Services Building Dean Street Clinic from 9am to 1pm.

In Gunnedah a drive through testing clinic is set up at the Rural Health Centre carpark and from 1pm and Donnelly Fields 8am to 12pm.

Exposure sites include:

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