The number of players in hard quarantine swelled to 72 ahead of the Australian Open after a fifth positive coronavirus test was returned from the charter flights bringing players, coaches, officials and media to Melbourne for the season-opening tennis major.,Australian Open organizers confirmed late Sunday that the latest case involved a passenger on the flight from Doha, Qatar to Melbourne who was not a member of the playing contingent, But all 58 passengers, including the 25 players, now cannot leave their hotel rooms for 14 days.,There were already 47 players, including Grand Slam winners, in hard quarantine after three positive tests were returned from a charter flight that arrived from Los Angeles and one on a flight that departed Abu Dhabi.,Australian Open tournament director Craig Tiley said organizers and players were forewarned there’d be a “significant risk” of exta restrictions being imposed if there were positive COVID-19 cases.,Tiley said there were no plans to delay the Australian Open any further — it’s already starting three weeks later than usual — although organizers were reviewing the schedule for the warmup tournaments starting Feb. 1 to find ways to make it easier for those players in strict quarantine to prepare.

Four coronavirus cases have been detected from charter flights carrying tennis players, coaches and officials to Melbourne for the Australian Open, forcing 47 players into strict hotel quarantine.,However, the players from the two affected flights — arriving from Los Angeles and Abu Dhabi — were in a strict 14-day quarantine, unable to leave their hotel rooms or practice, health authorities and tournament organizers said Saturday.,Health authorities initially said two positive COVID-19 cases — a coach and a member of the air crew — emerged from a charter flight from Los Angeles and the other positive test was a coach on the flight from Abu Dhabi.,On Sunday, Victoria state’s COVID-19 quarantine commissioner Emma Cassar told a news conference another positive test, from a member of a television broadcast team, had been returned off Los Angeles flight.,Tennis Australia confirmed there were 24 players on the flight from Los Angeles and 23 on the flight from Abu Dhabi.