Central Wagga Medical owner Tracey Purnell said the federal government had contacted general practices across the country, seeking expressions of interest from those wanting to participate in the imminent mass vaccination against the disease.

The Therapeutic Goods Administration has now provisionally approved the Pfizer/BioNTech COVID-19 vaccine and is expected to give the AstraZeneca vaccine the green light next month.

Priority groups for "stage 1a" of the rollout include aged care and disability care residents and workers, frontline healthcare workers and quarantine and border control workers, all of whom are scheduled to receive their first of two Pfizer doses from late February.

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Dr Purnell said GPs would then join the mass immunisation in "stage 1b" of three planned phases, commencing with other vulnerable groups of people.

"The details got released to us on Friday evening. The beginning would be vaccinating high risk populations, older people, Aboriginal and Torres Strait Islander people and health workers who aren't frontline. So GPs, allied health and pharmacists," she said.

The TGA has said the Pfizer jab will be delivered in residential aged care and disability care facilities and "at up to 50 hospital sites" across Australia, once it establishes cold storage facilities for the vaccine and finalises distribution sites.

When asked this afternoon, the Murrumbidgee Local Health District was unable to confirm whether Wagga Base would be one of the chosen hospital sites.

However, a NSW Health spokeswoman said further information on the rollout would be provided "as it becomes available".

"NSW Health is prepared to commence the program as soon as the COVID-19 vaccine is received," she said.

Representatives from the Murrumbidgee Primary Health Network said they were unable to provide a detailed comment on the vaccine at this stage, but confirmed they had released the federal government's expression of interest forms to the region's GPs, who have until February 1 to apply.

Dr Purnell said she and other Wagga GPs would try to immunise as many people as they could, flagging the possibility of rural Riverina residents having to travel into larger centres for the vaccine.

"Obviously it's unlike other vaccinations, because the government wants everyone to be vaccinated," she said.

"That requires a lot of logistics. We'll probably need as many practices as possible to get on board. As long as enough of us are doing it it'll be fine."