This week, some of Australia's biggest airports have been thrown into chaos amid the Easter holiday rush.

It's partly because of staff shortages due to COVID-19 close contact isolation rules, which have seen hundreds of thousands of asymptomatic Australians stuck at home.

Today, University of Melbourne epidemiologist Professor Tony Blakely on whether the rules are really still necessary, as the virus surges through the community for the second time this year.

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Professor Tony Blakely, epidemiologist, University of Melbourne