Andy Murray said he hoped the players and their family members who tested positive recovered soon and added that the tournament should not have gone ahead in hindsight.
Murray, who took a wildcard into the seaside event as a fitness test for next week's Wimbledon, looked sharp on a sun-baked centre court and tasted victory for the first time since beating Benoit Paire in the last 16 of Wimbledon 350 days ago.
Andy Murray has postponed his return from hip surgery but the former world number one still hopes to be back in time for Wimbledon next month.
Andy Murray has already scaled the tennis summit but Japan's Kei Nishikori did his best to loosen his footing before falling in a three-hour thriller at the ATP World Tour Finals on Wednesday. Home favourite Murray's insatiable will power allowed him to prevail in a brutal encounter 6-7(9) 6-4 6-4, keeping him on course for his first title at the year-ender. Should he achieve that in his eighth attempt it would guarantee the 29-year-old end the year as world number one ahead of Novak Djokovic who would steal back the crown if he manages a fifth straight title at the O2 Arena.
The big names who will be bidding for a podium finish before bidding farewell...
Novak Djokovic was seriously rattled early on by inspired American teenager Nishesh Basavareddy but rallied for a 4-6, 6-3, 6-4, 6-2 victory on Monday.
Britain's Jamie Murray and Brazil's Bruno Soares will end the year as the top-ranked doubles duo after French pair Nicolas Mahut and Pierre-Hugues Herbert lost at the ATP World Tour Finals on Friday.
Earlier in July, it was announced that Murray and Kim are expecting their second baby.
Andy Murray took a step closer to a first title in arguably the toughest year of his playing career, grinding out a 3-6, 7-5 ,6-2 win over Ugo Humbert on Saturday to reach the final of the European Open in Antwerp.
Second seed Sloane Stephens was shocked 2-6, 6-4, 6-2 by Germany's Andrea Petkovic in the second round of the Citi Open on Wednesday, disrupting the American's buildup to her US Open title defence.
Johanna Konta hopes fellow Briton Andy Murray will be in action at this year's Wimbledon despite media reports claiming that the Scot has suffered a setback in his recovery from hip surgery.
An 18-year rivalry will play out its next gripping chapter at Roland Garros as Andy Murray and Novak Djokovic eye up a French Open final in which milestones galore will be on the line.
World No 1 Andy Murray ended 2016 with a 6-3, 7-6(6) win over big-serving Canadian Milos Raonic to take third place at the year-ending exhibition tournament Mubadala World Tennis Championship in Abu Dhabi on Saturday.
Three-times Grand Slam winner Murray has struggled to regain form since undergoing hip surgery last January and was knocked out in the first round of the Australian Open on Monday having said the tournament could be his last as a professional.
Finally clinching an elusive Australian Open crown is Andy Murray's number one goal for the new year but the Briton concedes that his hopes of success at Melbourne Park may rest on champion Novak Djokovic having an off-day.
Three-time Grand Slam champion Murray said before his first round exit at the Australian Open last month that the tournament could be his last as a professional due to severe hip pain.
After fellow Swiss Roger Federer had claimed a record eighth Wimbledon singles title, Hingis and Murray delighted the Centre Court crowd with a 6-4, 6-4 victory over reigning champions Heather Watson of Britain and Finland's Henri Kontinen.
Images from Day 4 of the Australian Open in Melbourne on Thursday.
World No 2 Andy Murray has set his sights on overtaking Novak Djokovic at the top of the rankings after capturing his second Wimbledon crown on Sunday.
The Scot credits Mauresmo for guiding him through some testing times and contrasted the Frenchwoman's approach to some of her predecessors.
Andy Murray continued his strong build-up in his quest for a maiden Australian Open title with a comfortable victory over Frenchman Benoit Paire in the Hopman Cup mixed-team event in Perth on Monday.
Rather than being distracted by the sleepless nights or the regular nappy changing duties that have fallen his way, the arrival of baby daughter Sophia in February has breathed new life into Andy Murray's career.
Switzerland's Martina Hingis and Britain's Jamie Murray fought off a match point to defeat Hao-Ching Chan and Michael Venus 6-1, 4-6 (10-8) to claim the US Open mixed doubles title.
World number two Andy Murray is reuniting with his former coach Ivan Lendl and the two will work together at Queen's Club on Monday, the Scot said in a statement.
Britain's Jamie Murray and Brazil's Bruno Soares swept the Spanish duo of Pablo Carreno Busta and Guillermo Garcia-Lopez 6-2, 6-3 to win the US Open doubles on Saturday for their second grand slam title of the year.
Third seed Andy Murray made the most of Marin Cilic's errors to reach his first French Open quarter-final on Sunday, clobbering the Croat 7-5 7-6 6-1.
The Murray bothers last played together at the 2016 Rio Olympics, and were a prolific partnership when Britain won the Davis Cup in 2015.
Having bagged a gold medal from the 2012 London Olympics and won the 2013 Wimbledon championship, Murray will get his first chance to complete the hat-trick at the O2 next week.
Andy Murray proved himself the bastion of British tennis once again as he outclassed Canadian powerhouse Milos Raonic to claim a second Wimbledon title in masterful fashion on Sunday.
'You have to feel like the whole world working normally again and travelling normally before tennis would go back to especially the major competitions'
World No 2 Andy Murray beat World No 1 Novak Djokovic 6-4, 7-5, 6-4 to win the 2013 Wimbledon Championship.
Chennaiyin FC head coach Owen Coyle hoped for a positive start despite starting their campaign away.
World number one Novak Djokovic's brow may have furrowed slightly when he heard Andy Murray had teamed up again with former coach Ivan Lendl but he certainly was not surprised.
Yuki Bhambri made his first doubles semi-finals of the ATP 500 tour.
Britain's No 1 tennis player Andy Murray watched Neymar score twice.
Ivan Lendl has opened up about splitting with Andy Murray, citing extra family commitments and the difficulty of matching the emotional high of the Briton's Grand Slam breakthroughs as factors in his decision.
World number one Andy Murray is against giving wild cards to players returning from doping bans but the 29-year-old understands why tournament organisers make an exception for "big names".
Great Britain's tennis star Andy Murray and his wife, Kim Sears, are expecting their first baby.
Last year, Andy Murray prevailed on four sets but the Briton has been struggling to find his A-game this season. Stan Wawrinka also believes he is playing better than a year ago.
24th seed American Sam Querrey caused the biggest upset at this year's Wimbledon as he stunned defending champion Andy Murray 3-6, 6-4, 6-7 (4), 6-1, 6-1, in the quarter-finals, on Wednesday.