How does contact tracing actually work?

On todays episode we interview a disease detective hunting for patient zero and trying to stop the spread of COVID-19. Christian Peut is a Contact Tracer in the Communicable Disease and Control Branch at SA Health. Coronavirus contact tracers or "disease detectives" are the health experts who interview people with COVID-19 to try and work out who they might have got the disease from and who they might have given it to.

In today's news headlines:

• Masks mandatory in Melbourne from Thursday
• More small business support ahead of JobKeeper tweaks
• Presidential latecomer Kanye West is holding his first rally today

In todays Briefing we ask: How does contact tracing actually work? Is it really possible to track everyone an infectious person has come into contact with? What happens if - or when - the Covid Safe app fails?

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