On November 1, Albury Wodonga Health said its Community COVID Consult Clinic was caring for 799 people.

But executive director of public health Lucie Shanahan said on November 2 that number dropped to 575, and seven people were in hospital.

"This has been a significant drop in the last 24 hours as we've been able to discharge people as they progress through the 14 days of isolation with the illness," she said.

"Whilst it is pleasing to see a reduction in numbers we're not yet confident that we're on top of this outbreak."

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In the 24 hours to 8pm on Monday Albury recorded 15 new cases, while Wodonga recorded 20.

There were six new cases in Murray River, three in Wangaratta and one each in Indigo, Federation and Greater Hume.

Murrumbidgee Local Health District's acting director of public health Alison Nikitas said the lower case numbers could be due to less testing.

"That's why we wanted to maintain our high testing numbers to get any undetected cases," she said.

"It's probably a little bit too early to tell at the moment, it is encouraging, but we would certainly like to see a continuing decline in those numbers and the high testing rates to be able to feel more comfortable that [this outbreak] is under control."

Ms Nikitas said she would need to see case numbers consistently lower over a fortnight to feel more confident the Border had passed through the worst of its COVID-19 outbreak.

"From public health's perspective you're looking at the incubation period," she said.

"As we get more cases, obviously especially within households and where there's transmission, your looking at those two week periods after cases are identified for any ongoing transmission.

"With Delta we are seeing that we do get earlier presentation of COVID, but we are seeing that over that two week cycle." Ms Nikitas said she couldn't say whether the peak had passed.

"That's difficult to determine really," she said.

"There is still ongoing risk in the community and that's why we ask everyone to be vigilant and still adhere to that physical distancing, that mask wearing, those QR check-ins, all those strategies really help us to manage and contain an outbreak.

"We do also have to be aware that there is a lot more movement across NSW, opening up of the Victorian border and people being able to travel as well, so it is also still a risk that we could still get more imported cases as well."

When asked by The Border Mail if she was concerned whether the recent festive Melbourne Cup and Halloween events would cause the virus to spread further, Ms Nikitas said any large gatherings had the potential to transmit the virus if attended by a COVID-positive person.

She said it was important that people only attended places if they were double vaccinated, got tested if they had even the mildest of symptoms, didn't attend functions if they did have symptoms and kept an eye out for any exposure areas they might have been to.

"We are in a situation where this is what we start to look like into the future," she said.

"So as we said vaccination, testing, but also carrying over some of those behaviours that we've learnt during the COVID outbreaks, to wear our masks and to QR code and those sort of social measures, are going to be important."

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