The 35-year-old, who received the primary of his three Grand Slam titles in Melbourne in 2014, mentioned he self-isolated at residence in Switzerland.
World quantity 18 Wawrinka defined his bodily preparations for the season-opening Slam had been affected by the setback.
Nevertheless, he instructed the Herald Solar that he’s “feeling higher”.
On arrival in Australia, Wawrinka together with all different gamers needed to quarantine for 14 days, a interval of isolation which solely ended Friday.
“I am making an attempt to get in form. I used to be constructive over Christmas so I needed to keep greater than 10 days at residence, so I utterly misplaced all of the work I did low season,” added Wawrinka.
“I used to be feeling actually dangerous throughout the first 5 days however the signs, you retain it, and are extra drained day by day and that lasts a couple of weeks.
“It was not a superb expertise. Now I lastly begin to really feel higher however it might probably contact you badly and it is necessary to be actually cautious.”
Forward of the Australian Open, which begins on February 8, Wawrinka will probably be high seed on the ATP Murray River Open event in Melbourne subsequent week.
The Swiss star will probably be trying to find his first title since Geneva in 2017.