Estimated that is going to cost Australia an extra 10-12 billion because of the VIC outbreak 

https://www.msn.com/en-au/news/australia/victoria-s-shutdown-will-cost-10-12-billion-federal-governm...

Would not have location at the middle of 90 mile beach ( Victoria) and converted shipping containers been cheaper quarantine for plague prone expatriate returnees ( with support staff effectively quarantined as well) ?