Australia's vaccine rollout is about to get a major upgrade, with booster shots officially getting the green light from the medical regulator; health authorities in New South Wales have issued a shock isolation alert for a gym in Darlinghurst after 15 people tested positive to COVID-19; and the Santa Fe County sheriff has revealed new details about the shooting death of a crew member on the set of Alec Baldwin's new movie. Presented by Jodie Speers. More news across the day on 7NEWS.com.au and 7Plus.

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