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The Guardian - AU
The Guardian - AU
World
Caitlin Cassidy

With Covid cases surging across Australia, will a fourth vaccine dose be required?

A healthcare worker prepares Covid-19 vaccinations at the vaccination centre at Sandown Racecourse in Melbourne
A healthcare worker prepares Covid-19 vaccinations at the vaccination centre at Sandown Racecourse in Melbourne. Australia may recommend a fourth dose to those aged 65 and above. Photograph: James Ross/EPA

Health experts are weighing up whether a second booster rollout will soon be needed as Covid-19 cases again surge across Australia and winter approaches. A number of nations, including the UK, are rapidly expanding eligibility for a fourth dose, but some experts have questioned its effectiveness.

How likely is it a fourth dose will be required?

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