Andy Murray: Two-time Wimbledon champion tests positive for coranavirus

Madison Keys said she plans on a return to the WTA Tour in February after she tested positive for COVID-19. File

The Australian Open has again been rocked by COVID-19, after it was revealed two people on board a special chartered flight into Melbourne tested positive.

The sight of some of the world's biggest tennis stars touching down for the upcoming Australian Open tournament has frustrated many Australians unable to return home due to the pandemic.

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.

It was revealed earlier in the day that three-time major victor Andy Murray has also tested positive for the virus, but still hopes to play in the Australian Open.

Anyone travelling to the Australian Open who previously tested positive to the coronavirus, like Sandgren, must provide additional and detailed medical information as proof they are recovered or no longer infectious.

Three-time Grand Slam champion Murray, now ranked 123rd in the world, had pulled out of the season-opening Delray Beach Open in Florida earlier this month to reduce the risk of contracting COVID-19.

It follows news that former world number 1 Andy Murray had tested positive for COVID-19.

"I have big goals that I want to achieve and I do want to change people's perspectives not just on tennis but on sport and how they approach sport", she said in an interview.

The women qualifiers include two-time Australian Open and Roland Garros doubles champion Timea Babos of Hungary and British player Francesca Jones, who has a rare genetic condition.

Before boarding, competitors must test negative and will undergo a series of tests once in the country, while undergoing a 14-day quarantine period in Melbourne.

Tennis Australia is in the middle of getting 1,200 players and their staff across 15 separate charter flights into Melbourne and Adelaide.

"I look forward to being back on tour next month", Keys wrote.

Her American counterpart, Tennys Sandgren, had the virus in November.

"My two tests were less than 8 weeks apart". "There's not a single documented case where I would be contagious at this point. Upon completion of that review he was cleared to fly", read the statement.

Once a negative result has been returned, players can train within a strictly supervised environment for five hours per day.

Murray is now isolating at his home in Surrey, England, and it's unsure whether he'll be granted permission to compete in next month's event.

Novak Djokovic, Rafael Nadal and Serena Williams are among a group of players involved in an exhibition event in Adelaide, South Australia state, on January 29.

Reports out of England on Thursday night (AEDT) suggested he remained hopeful of making the journey to Australia in time for the February 8 start.