The Murrumbidgee Local Health District announced one additional confirmed case on Friday morning, an Albury resident still in isolation in Sydney after returning from overseas.

MLHD has conducted 2676 tests in total so far, with 312 over the past seven days.

Medical services director Dr Len Bruce said while these were good figures given the Easter public holidays, more testing needed to be done.

Respiratory and sleep medicine physician Dr Adriaan Venter said the time had passed for people to be worried about wasting test resources as fewer people attend Wagga's drive-by clinic in the wake of a two-week period with no new cases discovered in the city.

He said while there was a very low chance a person experiencing mild cold symptoms in Wagga had the virus, they should still get tested as it was the only way to find out if the virus was passing undetected.

"The chance that they have it is very low, but it is still possible because we do have one or two cases from before that we didn't know where they came from," he said.

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He said it was important to try and locate transmission among those with mild symptoms before it reached elderly and immunocompromised communities.

"The people that are not very ill who have those symptoms probably have a strong constitution," he said.

"We're not so much worried about them, we're worried about the people who don't have a strong constitution and that's the reason for coming forward."

Dr Venter said the district had spent weeks preparing a system which allowed hospitals to monitor those with COVID-19 in a "virtual ward," checking on them daily in case they deteriorated and required hospitalisation.

He said the Wagga Base Hospital was prepared to manage more patients, with isolation areas designated to allow non-COVID-19 related patients to continue to attend safe from infection.

"We've ensured there is a surge capacity so in the event that we might be faced with a lot of ventilated patients we could deal with that," he said.

"Our intensive care team have been upskilling a lot of the anaesthetists so they can also be involved and so our capacity has increased tremendously."

Dr Bruce said urgent training for the base hospitals was complete, and the MLHD was now providing training to the smaller rural hospitals on the appropriate use of personal protective equipment and running regular simulations to manage patients presenting with COVID-19 symptoms.