One case of Covid-19 among those in quarantine ahead of the Australian Open has been reclassified, local health officials said, leaving nine active cases in the group of players and support staff isolating in Melbourne hotels.

Health officials previously said they were investigating some positive tests for evidence of “viral shedding”, where people who have had the virus continue to shed non-infectious remnants after they have recovered.

Covid-19 Quarantine Victoria also said in a statement that the one case of the virus acquired overseas reported on Sunday was not connected to the tennis Grand Slam.

Most of the 970 people in the Australian Open quarantine hotels have entered their second week of the 14-day isolation period with the first arrivals due to be freed from lockdown on Friday.

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