Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Fears Over New COVID-19 Cluster in Australia Phil Mercer SYDNEY - Australian officials are warning they face a "dangerous situation"in the coronavirus pandemicafter reporting about 20 newly detected infections in thestate of South Australia, itsfirst outbreak since April. Afterseven months with no community transmission of the new coronavirus, South Australia is fighting to contain a cluster of new cases. Most of the recently detected infections are within the same family. The source is thought to have been a hotel in Adelaide where Australiantravelersare placed in mandatory quarantine after returning from overseas. An infected cleaner is believed to have passed on the virus to his or her large family, including a prison worker. Health authorities have been working to trace all known contacts of those within the Adelaide cluster. Thousandsof peoplehave been tested since it was discovered. Just one new case was detected Monday, but South Australian premier Steven Marshall says vigilance is needed. "This is a very dangerous situation. If we work cooperatively with SA (South Australia) Health and SA (South Australia) Police on thisonewe should get on top of it. But it isreallya very worrying situation, and we must act very swiftly," Marshall said. .