Johnson still unsure how he contracted coronavirus, ready for return

Dustin Johnson remains unsure how he contracted coronavirus and the world number one said just where his game was at was "undetermined".

Johnson, 36, tested positive for COVID-19 last month and has been out of action since the U.S. Open.

The American is preparing for his return at the Houston Open, beginning on Thursday, but said he was still unsure how he got infected.

"The only good thing that came out of this is I know I'm playing next week at the Masters," Johnson told a news conference.

"I'd be nervous, for sure. It's one of those things… I had no idea where I got it from. Obviously, I thought about it, tried to figure it out. I had every person that I'd been around, people that had been in my house, any person that I'd come in contact with – my friends, family, people that work for me – every single one of them went and got tested. Not Paulina, the kids, everybody, not one person had it.

"The only thing I can figure is I got in Vegas… I don't even know how I got it there. That's the only place I could have got it because not one person I was around had it… and nobody got it either from me."

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Johnson has enjoyed a fine 2020, claiming two wins and seven other top-10 finishes in 16 events.

The 2016 U.S. Open champion said he was happy to be back after a longer-than-expected break.

"My health is good. The state of my game is undetermined," Johnson said.

“It wasn't that bad as far as I didn't get really sick. I felt like I had a cold for a few days, and after that, I was pretty much asymptomatic. A little fatigue and things like that, but I couldn't really figure out if that's cos' I was stuck in a hotel room for like 11 days, or if it was COVID that made me feel that way.

"Really, I didn't leave the room for 11 days. I was just laying around kind of doing nothing. It was almost one of those things, I was waiting to get sick because you know you have it, and you're sitting there just… For me, it was very mild and obviously I'm very thankful for that.

"It definitely puts a wrench in your plans and what you're trying to do. Obviously, I was planning on playing at Shadow Creek and Sherwood, those two events. I had a lot more time off than I was planning on."