1 in 41 infected cases in 🇦🇺 #COVID19 hotel quarantine since 1 May 2021 has resulted in a breach. Compares to 1 in 106 before then#DeltaVariant is far more infectious and needs to be treated as such with national hotel quarantine standards. Full analysis: https://t.co/ag3wmNewpP pic.twitter.com/GvR8xhhj1B

— Burnet Institute (@BurnetInstitute) July 7, 2021