Shadow Minister for Health and Ageing Mark Butler will spend time at a retirement village in the Shortland electorate before meeting with doctors later in the day.

Mr Butler said the pace of the rollout had become a concern, and he was in the Hunter "to hear the frustrations GPs have with the lack of supply of vaccines and the lack of information regarding the rollout".

The phase due to begin today makes AstraZeneca vaccines available for adults aged 50 years and over, Aboriginal and Torres Strait Islander adults aged 18-49 years and other critical and high risk workers.

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"Our most vulnerable Australians, those in aged care and disability facilities were supposed to be vaccinated by Easter," Mr Butler said.

"The opening of our economy is dependent on people getting jabs in their arms. The longer the wait the more lockdowns we'll see."

Shortland MP Pat Conroy said his constituents had been reaching out about difficulties booking vaccination appointments.

"The Shortland electorate is one of the oldest in the country in terms of demographics so it's crucial that these more vulnerable, at-risk residents get the vaccine as soon as possible," Mr Conroy said.

NSW recorded no locally acquired cases in the 24 hours to 8pm on Saturday night, NSW Health confirmed on Sunday.

Three overseas acquired cases were detected, taking the state's total case number since the start of the pandemic to 5295. 646 vaccines were issued in the 24 hours.

Mr Butler's visit is also expected to take in a tour of the Hunter Medical Research Institute on Tuesday morning.

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