Queensland Covid update: more than 400 health staff in isolation as 16 new local cases recorded

State's Delta cluster rises to 47, with nine of the new cases in school students and exposure sites in three major Brisbane hospitals

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More than 400 health workers are among thousands currently in isolation in Queensland, placing pressure on hospitals as the state's Covid-19 outbreak grows.

Queensland recorded 16 new locally acquired cases of the infectious Delta strain on Tuesday. All were linked, bringing the number of cases to 47 in a cluster involving exposure sites at several schools and at least three major Brisbane hospitals.