VIDEO: FLiRT, the new COVID-causing subvariants detected in AustraliaPosted Thu 23 May 2024 at 9:39amThursday 23 May 2024 at 9:39amThu 23 May 2024 at 9:39amHas Video Duration: 1 minute 51 seconds.Watch 1m 51s A new family of COVID-causing subvariants sweeping through the US has arrived in Australia.ShareCopy linkFacebookX (formerly Twitter)A new family of COVID-causing subvariants sweeping through the US has arrived in Australia.