Chief executive Luke Rumbold said a positive case attended the organisation's Young Street site between 9am and 11.30am on Saturday October 9, but UMFC was only alerted on Thursday.

You can read the full list of Border and North East exposure sites here.

"We received a phone call to let us know that one of our clients last Saturday who had visited from out of the region had tested positive, so we were told that yesterday," he said.

"We were notified by, not the person, the person's partner rang us.

"I don't know anything about [the positive person], just that they went back to where they were in Victoria, must have felt unwell and got tested and then were told and then the family told us."

Mr Rumbold said three staff were involved.

"I believe today we were told today that one of them tested positive, so she's now quarantining at home," he said.

"The other two have had negative tests results, but they have to do two tests.

"Fortunately all our staff were doubled vaxxed and that's a good thing and now we're simply waiting."

Mr Rumbold said the office had been shut, appointments were cancelled and the office had been deep cleaned.

He said the office would reopen after the second test results from the other two staff members came back.

"So if they come back with their second results negative, we can be open from next week," he said.

"If they are positive, then we'll need to think about all the other staff they've come in contact with over the Saturday when the lady was in.

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"So the office could be shut for all of next week or even longer if we've found that the other two people have tested positive, but at this stage they haven't, so fingers crossed they'll be OK for next week."

Mr Rumbold said the UMFC human resources manager had been dealing with NSW Health.

"We're being fairly calm about it," he said.

"We anticipated at some point this was going to happen, so we've got rules and people know what to do and people are just following the procedures so that's what we're doing."

Mr Rumbold said he was trying to normalise COVID-19 cases.

"What I'm saying to our staff, is everyone's hopeful we're going to open up and things and people are going to move around and we're going to try to get back to normal," he said.

"When we do that, of course, the virus is going to be more present up here, more than it's ever been before.

"So not that I'm trying to down play it but I'm trying to normalise it by saying we can expect and anticipate more cases and more sites as people just get to moving around, because that's what's going to happen."

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