Public health director Lucie Shanahan said the Rothman Alljoy Chinese Restaurant in High Street was being treated different to other sites because the deliver driver had spent a longer period there and been inside the kitchen.

Other eateries in Beechworth, Benalla and Wangaratta were also attended by the worker on Wednesday and Thursday last week.

"It is the same delivery driver who has been to those sites," Ms Shanahan said.

"It's highly unlikely that those sites will be listed as public exposure sites (by) the Department of Health because of the minimal amount of time that the driver was there and the very minimal contact.

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"We've been able to identify the people has had contact with.

"The key difference (with Wodonga) is that the person was in the building for a period of time, as opposed to making a delivery at the backdoor for example."

All the eateries will be required to undergo a deep clean before re-opening.

Meanwhile, Murrumbidgee Local Health District chief executive Jill Ludford, when asked on Friday about the man who left the XPT train service in Albury with COVID, has said he has been helpful.

She answered the question by referring to both cases, which includes a man taken to Melbourne, as "working with our public health unit very co-operatively".

Ms Ludford added work was still occurring with "other venues of concern".