Contact tracing is a big job in Australia, and it's getting bigger the more cases of COVID19 that are diagnosed.  How does it actually work? How does the government find out everyone who's been in contact with an infected person? Is it a perfect system? And how about the COVIDSafe App, is it making a difference?  The Quicky investigates.  Subscribe to The Quicky at... https://mamamia.com.au/the-quicky/ CREDITS  Host/Producer: Gemma Bath  Executive Producer: Melanie Tait Audio Producer: Ian Camilleri  Guests:  GP Dr Brad McKay CONTACT US Got a topic you'd like us to cover? Send us an email at [email protected] Looking for other podcasts to listen to?  You'll find all our Mamamia shows at https://mamamia.com.au/podcasts/