He is reportedly not giving up on the tournament, even if that means arriving later than planned.
The 33-year-old is presently isolating at home in Britain.
Murray received a wildcard for the Australian Open, where he has been a runner-up on five occasions. "No player or member of their entourage may interrupt quarantine to participate in training ".
Since the Victorian Government made it clear that a 14-day quarantine period for global passengers was mandatory, Tennis Australia managed to arrange a provision that players would be allowed outside their hotel rooms for no more than five hours a day in order to practise and/or train.
Victoria's Department of Health and Human Services said that the infected trio were not players.
Kazakh star Yulia Putintseva appeared to film a mouse (pictured left) in her hotel room during quarantine, while Benoit Paire ordered McDonald's (pictured right) after stars complained over the food.
No. 5 Roger Federer will also miss the event, citing knee problems.
Other players claimed that the rules governing confinement have been changed.
Also, Americans Madison Keys and Tennys Sandgren returned positive tests, but Sandgren was given permission to fly.
They are being greeted by biosecurity officials wearing personal protective equipment, before being whisked away to hotel quarantine.
All passengers coming into Ireland to require negative test result
But the new order may stop or diminish spread of other new versions of the virus, like one recently identified in South Africa. The UK requirement went into effect last month and airlines can be subject to criminal penalties if they fail to comply.
Three coronavirus cases have been detected among charter flights carrying tennis players, coaches and officials to Melbourne ahead of the Australian Open, health authorities and tournament organizers said Saturday.
"Our thoughts are with the two people who tested positive on the flight and we wish them well for their recovery". "Upon completion of that review, he was cleared to fly".
The Australian Open has already been delayed three weeks because restrictions in place for the COVID-19 pandemic.
Tennis Australia continued by writing "We know this is not how you imagined your preparations for the AO would start but our entire team is here to support and do everything we can to get your through this".
Novak Djokovic is the defending men's champion and Sofia Kenin is the women's defending champion.
Like clockwork, 15 chartered flights transporting players for the Australian Open landed in Melbourne, within the 36-hour period dedicated for their arrival.
Australia, which has logged 15 infections hotel quarantine, has been one of the world's most successful nations in managing the coronavirus spread, with about 28,700 infections and 909 deaths.
Britain's Press Association news agency said the three-time major victor, apparently in good health, was hoping to arrive in Australia at a later date.
A Canadian tennis coach who tested positive for COVID-19 after arriving in Melbourne for the Australian Open has apologised for the disruption and says he has no idea how he caught the virus.