Is Delta defeating us? Here's why the variant makes contact tracing so much harder

  • Written by: C Raina MacIntyre, Professor of Global Biosecurity, NHMRC Principal Research Fellow, Head, Biosecurity Program, Kirby Institute, UNSW
Is Delta defeating us? Here's why the variant makes contact tracing so much harderJoel Carrett/AAP

The Greater Sydney lockdown began on June 26 and almost a month later, New South Wales is recording around 100 new COVID cases a day. We are also seeing the virus spread well beyond the initial eastern suburbs cluster. The virus then spread from NSW to Victoria resulting in a lockdown there too, followed by South Australia.

Delta is...

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