AstraZeneca clinic running at Maitland Showground on Tuesday

The clinic was already about half full on Friday.

Dr Craig Richards said anyone who wanted to be vaccinated had to book in advance.

"We will keep running these clinics while ever there is demand for it and once we start getting Pfizer we will expand," he said.

Read more: strong demand for city's mass vaccination clinic

"We had a good turnout at the last clinic, we had people from their 20s upwards but mostly people over 50.

"There are a lot of people out there who want the vaccine but haven't been able to get it yet."

Bookings at the Lorn Surgery's showground clinic can be made online at lornsurgery.com.au or by phoning 4933 2622.

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