A three-day lockdown of the western Australian capital Perth was ordered by authorities after finding a COVID-19 case involving hotel receptionists who were placed under quarantine on Friday.
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Premier Mark McGowan said the man, who tested negative on April 17, left the hotel after a 14-day blockade, immediately tested positive for coronavirus.
One of his closest relationships in Perth was tested positive on Friday. McGowan said this was the first case of the virus spreading to the city’s population this year.
Authorities are looking for anyone who has had contact with the man during the five days he spent in Perth before leaving for Melbourne, where he was tested positive on Wednesday and placed in solitary confinement.
Australia is one of the most successful countries in the world with the prevalence of COVID-19, with fewer than 30,000 cases and just 900 deaths per 25 million population.
Rare pollution cases registered in recent months have been linked to hotels in major cities where international travelers are detained on their return from abroad.
All spread, however, is possible thanks to such small control measures.
The confinement measure in hotels is of further concern after carriers of people infected with COVID-19 in neighboring rooms.
In addition, recently, the number of infected travelers, especially from India, has increased significantly.
On Thursday, the Australian government announced restrictions on entry from India.
Mr McGowan announced that Western Australia would reduce the number of Australians returning abroad.
As part of the lockdown, Perth and neighboring Peel residents will be required to stay home from midnight on Friday.
Restaurants and bars can only serve take-out meals and leisure establishments are closed separately.