With the government abandoning all vaccine targets, a medical expert is warning the rollout must pick up in order to avoid another COVID-19 outbreak.

Immunisation expert Professor Robert Booy told Chris Smith Australia has to focus on vaccinating the vulnerable population before winter.

“I think trouble is coming … with more crowding when it’s cold, more transmission of all sorts of respiratory viruses when it’s cold.

“We’ve just got to get on with it and get it done.”

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