On Saturday morning, the Murrumbidgee Local Health District confirmed it had recorded its first COVID-19 case since last year after a woman tested positive.

A female resident of the Lachlan Shire visited locations in Lake Cargelligo and Hillston while infectious on Monday, August 16.

The woman is now isolating outside of the Murrumbidgee Local Health District.

The MLHD is requesting anyone at the locations of concern during the timeframes to come forward for testing.

The venues of concern include:

Ripple Parekh, the owner of Lake Cargelligo IGA, said they were notified about 11pm on Friday about the exposure and immediately began initiating protocols.

"After we found out, we followed the procedures from the government, so we had to shut the shop and then do a deep clean," he said.

"We sanitised everywhere, and we got the footage of the customer in the shop - they were only in for a few minutes - to send to NSW Health.

"Our staff have been tested, and they are quarantined."

Mr Parekh said having the store closed for the morning proved an issue as there are not many places for people to shop in Lake Cargelligo.

He said after following cleaning protocols, they opened the shop from 2pm on Saturday, but another challenge was the limited staff.

"We need to be mindful of the community, and we are trying our best," Mr Parekh said.

"There might be some inconvenience to the community because we have limited staff."

Mr Parekh said some of his staff had waited two or three hours at the testing clinic on Saturday.

He said while it was a bit of shock to learn of the case, in many ways, it was unexpected.

"We did anticipate at some point we might have a case here," Mr Parekh said.

"We will try our best to stay open.

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"We have and are still following all the guidelines, so we perspex screens at the register, our staff wear masks, and we have hand sanitiser."

Fisho's Hot Bake and Takeaway and The Shed on the Lachlan posted on social media that they would be closed on Saturday for a deep clean.

In a statement, the MLHD said the positive case made brief visits to these stores, but anyone who attended these venues at these times should get tested immediately and isolate until further advice from NSW Health.

"Venues will continue to be assessed by the Public Health Unit to ensure accurate assessment of risk for staff and to determine if any had close contact with the case," the statement said.

"MLHD is urging anyone who has even the slightest of symptoms in Lake Cargelligo or Hillston to get tested and isolate until a negative result.

"The most common symptoms of COVID-19 are fever, sore throat and dry cough. Symptoms will generally appear three to four days after exposure to the virus but can be up to 14 days later."

The MLHD will deploy the mobile COVID Testing Clinic on Saturday and Sunday to these towns to enable anyone who is close or casual contact, or any community member who is concerned, to come forward to be tested.

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