A staff member at Corowa's Rivalea site has acquired the virus, confirmed managing director Mick Hewat this morning.

"We have a single positive case at our value add facility at our Corowa site," he said.

"A number of people have been sent off as casual contacts for testing and isolation.

"They're deemed at this point casual contacts from our own tracing, which means that you test and isolate until you get a negative result."

Rivalea employs more than 1200 people across all of its sites, but Mr Hewat declined to answer how many staff members had been sent for a test.

It is unclear how many Rivalea staff are vaccinated against the virus, with NSW agriculture businesses able to choose whether or not they mandate vaccination.

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Mr Hewat said the facility was still operating.

"In the meantime processing is continuing, be it in a more limited capacity," he said.

"In the value adding part of our meat processing facility there's just less through put because we've got less people."

Meatworkers were identified as a high risk group after a COVID-19 cluster was first identified at Cedar Meats in Victoria back in May last year.

When asked by The Border Mail if he was concerned about the virus spreading throughout the rest of the facility, Mr Hewat replied that was what the contact tracing was for.

"Let's be honest, Albury-Wodonga businesses are dealing with this at the moment, we're no different," he said.

"We just have to manage it, regard it as a short-term impact, having some interruption ... but not significant enough to concern us."

Mr Hewat declined to answer how long the individual was working while infectious.

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