On Monday, September 20, NSW Premier Gladys Berejiklian announced that 20 per cent of 12-15-year-olds had received their first vaccination in the preceding week, and called it an "outstanding result".

The practice manager at Pambula Medical Centre said from September 13 "the phones rang fairly red hot with people keen to book in".

The practice manager said both last week and this week were heavily booked with little in the way of bookings available until mid October.

Pambula Beach mum Katrina Woods was one of the first to get her sons Kobi, 13 and Nate, 15 booked in at Pambula Medical Centre.

"They were both excited to be getting the vaccination and I encouraged them to tell their mates," Ms Woods said.

She said it would give the family greater freedom when things started to open up.

Kobi and Nate also join their older brother and freestyle skier, Cooper, in being vaccinated.

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Ms Woods said Cooper was hoping to go to Beijing for the Winter Olympics and had been vaccinated at the same time as the Summer Olympic team, earlier this year.

At Bega Valley Medical Practice, Jodie Meaker, practice manager, said as soon as people could book in, they did.

"It seems like the job has been made easier because everyone is just going by age now, there are no qualifications or exemptions," she said

Ms Meaker said that bookings across all ages had ramped up, particularly when it was thought cases existed in Merimbula.

Recent research by Professor Nicholas Biddle at the ANU showed that almost four-in-five Australian parents and carers said they were likely to get their children vaccinated against COVID-19 once vaccinations were available.

"In recent weeks and months we have seen lots of public commentary, including concerns, about making sure children are vaccinated against COVID-19," Professor Biddle said.

"In particular, people have been worried about long COVID among children who get the virus or the role of children in spreading the virus among households and in the community.

"These findings show the vast majority of Australians are ready to make sure their children are protected from COVID as soon as vaccines are available to them," Professor Biddle said.

On August 27 Prime Minister Scott Morrison announced children aged between 12 and 15 years would be able to book a COVID-19 Pfizer vaccine from September 13.

The age group between 12 and 15 comprises approximately 1.2m children.