Biosecuity extensions until 17 Feb 2022 https://www.health.gov.au/ministers/the-hon-greg-hunt-mp/media/human-biosecurity-period-extended until 17 December 2021 https://www.health.gov.au/ministers/the-hon-greg-hunt-mp/media/covid-19-emergency-measures-extended-for-a-further-three-months-0 unti 17 September 2021 https://www.health.gov.au/ministers/the-hon-greg-hunt-mp/media/covid-19-emergency-measures-extended-for-a-further-three-months until 17 June 2021 https://www.health.gov.au/ministers/the-hon-greg-hunt-mp/media/extension-of-the-human-biosecurity-emergency-period until 17 March 2021 https://www.health.gov.au/ministers/the-hon-greg-hunt-mp/media/extending-the-human-biosecurity-emergency-period-by-three-months until 17 December 2020. https://www.health.gov.au/ministers/the-hon-greg-hunt-mp/media/human-biosecurity-emergency-period-extended-by-three-months until Oct