A sudden coronavirus cluster has emerged in the Australian city of Adelaide after seven months without a significant outbreak there, with the virus again escaping from the country's hotel quarantine system.
South Australia state reported four cases had been detected in the city yesterday, before the cluster grew sharply overnight to 17 people today, the largest there since April.
All but two of the 17 were members of the same large family, including one who was working in a hotel used to quarantine travellers returning from overseas.
Fearful of case numbers spiralling, authorities snapped back a swathe of coronavirus restrictions and suspended international flights into Adelaide. "No effort will be spared to slow and stop the spread of the